Product Facts

Product Name
Pro Trade Joint Sealant FC - Fast Curing Polyurethane Sealant
Availability
In Stock
Condition
New
Category
Home & Garden > Sealants & Adhesives
Seller
Selleys
Color
White Grey Black
Material
Polyurethane adhesive & sealant
Pro Trade Joint Sealant FC - Fast Curing Polyurethane Sealant

Pro Trade Joint Sealant FC - Fast Curing Polyurethane Sealant

Pro Trade Joint Sealant FC - Fast Curing Polyurethane Sealant. Polyurethane adhesive & sealant technology. COMPOSITION - Technology: Polyurethane adhesive & sealant PHYSICAL - Colour: White Grey Black - Density: 1.08 ±0.03 g/mL - Shore A Hardness: ~40 ±5 PERFORMANCE - Elongation at Break: ≥ 400% - Service Temperature: –40°C to +70°C CURING - Cure Time: ≥3mm / 24h LIMITATIONS / NOT SUITABLE FOR Not for continuous submersion or below‑water‑line use. Will not adhere properly to PE or PP; test other plastics before use. Do not apply on frozen or wet surfaces. DIRECTIONS FOR USE 1. Clean surfaces thoroughly (remove dirt, oil, release agents, loose material). 2. Cut nozzle; load cartridge or sausage into gun; pierce seal if needed. 3. Insert backing rod if required; mask edges if neat finish is desired. 4. Extrude sealant ensuring full side contact; avoid trapping air. 5. Tool bead for smooth finish. 6. Paint with water‑based paints once cured; use primer if applying oil‑based paint. 7. Clean uncured sealant with mineral turps; remove cured product mechanically. ADDITIONAL SPECIFICATIONS - Sag: 0mm (EN ISO 7390) - Application Temp: 5‑40°C - Tack‑Free Time: ~40 ±10 minutes (23°C / 50% RH) - Tensile Strength: ~2.0‑2.5 N/mm²

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Safety Data Sheet - AU
Technical Data Sheet - AU
View Product Guide

AI Summary

Product: Selleys Pro Trade Joint Sealant FC (Fast Curing) and Pro Trade Joint Sealant LM (Low Modulus) Brand: Selleys Category: Single-component polyurethane joint sealant Primary Use: Adhesive and sealing applications for professional and serious DIY projects requiring durable polyurethane performance.

Quick facts

Common questions this guide answers

  1. What is the difference between FC and LM? → FC is Fast Curing; LM is Low Modulus — they serve distinct application purposes
  2. What colours is Pro Trade Joint Sealant FC available in? → Black, grey, and white (confirmed via FC GHS Safety Data Sheet)
  3. Where can I find modulus, movement accommodation, and cure time specifications? → Not available in supplied GHS documentation — obtain the full technical datasheet directly from Selleys

Introduction

These two polyurethane joint sealants from Selleys' Pro Trade range are built for professionals and serious DIYers who need results. The FC (Fast Curing) and LM variants are both single-component polyurethane sealants designed for adhesive and sealing applications. Here's what you need to know upfront: the available documentation covers the FC variant's GHS safety data sheet, which confirms key product details but contains no technical performance specifications — no modulus, no movement accommodation, no cure rates. The LM product's datasheet was not included in the supplied materials. This comparison covers what the FC safety documentation confirms, and is clear about where you'll need to go for specification data.

At-a-glance comparison table

Dimension Pro Trade Joint Sealant FC Pro Trade Joint Sealant LM
Modulus Not specified in supplied GHS datasheet Not specified in supplied materials
Movement accommodation Not specified in supplied GHS datasheet Not specified in supplied materials
Cure speed Fast Curing per product name; specific times not in GHS datasheet Not specified in supplied materials
Best-fit joint Not specified in supplied GHS datasheet Not specified in supplied materials
Chemical base Polyurethane (contains 4,4'-diphenylmethane diisocyanate <1% w/w, per FC GHS datasheet) Not specified in supplied materials
Available colours Black, grey, white (per FC GHS datasheet product codes) Not specified in supplied materials
Pack sizes 310mL and 600mL cartridges (per FC GHS datasheet) Not specified in supplied materials

Modulus

Pro Trade Joint Sealant FC

The FC safety data sheet covers hazard classification, chemical composition, and safe handling — modulus specifications aren't in it. For mechanical performance properties, you need the full technical datasheet.

Pro Trade Joint Sealant LM

No datasheet was provided for the LM variant. Modulus values can't be compared from the supplied materials.

Comparison note: Stress-strain performance data lives in technical datasheets, not safety data sheets. To compare modulus between these two products, get the TDS for each directly from Selleys.

Movement accommodation

Pro Trade Joint Sealant FC

Movement accommodation — typically expressed as ±% joint movement — isn't in the FC safety data sheet. It's a performance specification that belongs in the technical datasheet.

Pro Trade Joint Sealant LM

The supplied materials don't include movement accommodation specifications for the LM variant.

Comparison note: Joint movement capability is a critical selection factor for expansion joints and dynamic applications. Get the technical datasheets from Selleys before making that call.

Cure speed

Pro Trade Joint Sealant FC

The "FC" designation says it plainly: Fast Curing. This product is built for jobs where rapid return-to-service matters. The GHS safety datasheet confirms the formulation contains xylene (1–10% w/w) and diphenylmethane diisocyanate (<1% w/w) — consistent with a moisture-cure polyurethane system — but tack-free time, through-cure time, and full cure kinetics aren't quantified in the safety documentation. The technical datasheet has those numbers.

Pro Trade Joint Sealant LM

The "LM" designation points to Low Modulus, but without a datasheet, cure characteristics can't be confirmed. Cure speed for this variant requires the full technical datasheet.

What this tells you: FC is engineered for speed — for projects where waiting isn't an option. If LM confirms low modulus, these two products serve genuinely different purposes: FC for fast turnaround, LM for high-flexibility joints. The technical datasheets will confirm this.

Best-fit joint applications

Pro Trade Joint Sealant FC

The FC GHS datasheet confirms the product is designed for adhesive and sealing use. It doesn't specify substrates, joint configurations, or detailed application scenarios. The three available colours — black, grey, and white — make it a practical choice for visible joints where a clean, matched finish matters.

Pro Trade Joint Sealant LM

Application recommendations aren't available in the supplied materials. The technical datasheet will cover this.

Comparison note: Substrate compatibility, joint width and depth recommendations, and use-case guidance — expansion joints versus perimeter seals, for example — all come from the technical datasheet. Source both TDS documents from Selleys for a complete side-by-side assessment.

When to choose Pro Trade Joint Sealant FC

Time-sensitive projects: The Fast Curing designation means this product is built for rapid return-to-service. Check the full technical datasheet for exact cure times to plan your schedule accurately.

Colour-matched applications: Black, grey, and white finishes — all confirmed in the FC GHS datasheet — give you the options to achieve clean results on visible joints.

Standard cartridge workflows: FC comes in 310mL and 600mL cartridges, as documented in the FC datasheet, so it fits straight into existing applicator setups without any fuss.

When to choose Pro Trade Joint Sealant LM

The LM variant's datasheet wasn't included in the supplied materials, so selection criteria can't be drawn from available documentation. If LM confirms low modulus, this product would be the right choice for high-movement joints requiring superior flexibility under dynamic stress. Contact Selleys directly to get the LM technical datasheet before making your selection.

Summary

From the FC variant's GHS safety datasheet, here's what's confirmed: a polyurethane-based adhesive and sealant, available in black, grey, and white, in 310mL and 600mL cartridges, with fast curing built into its design. The LM variant's documentation wasn't included in the supplied materials.

For the specifications that actually drive selection decisions — modulus, movement accommodation, quantified cure speed, substrate and joint guidance — safety data sheets aren't the source. Technical datasheets from Selleys are. Get the TDS for both the FC and LM variants from Selleys directly, and you'll have everything you need to make the right call.

Frequently asked questions

What is Selleys Pro Trade Joint Sealant FC: A single-component polyurethane sealant

What is Selleys Pro Trade Joint Sealant LM: A single-component polyurethane sealant

What does FC stand for in Pro Trade Joint Sealant FC: Fast Curing

What does LM stand for in Pro Trade Joint Sealant LM: Low Modulus

Who is the manufacturer of Pro Trade Joint Sealant: Selleys

What product range does Pro Trade Joint Sealant belong to: Selleys Pro Trade range

What is the chemical base of Pro Trade Joint Sealant FC: Polyurethane

Is Pro Trade Joint Sealant FC a single-component product: Yes

Is Pro Trade Joint Sealant LM a single-component product: Yes

What is Pro Trade Joint Sealant FC designed for: Adhesive and sealing applications

Is Pro Trade Joint Sealant FC suitable for professionals: Yes

Is Pro Trade Joint Sealant FC suitable for DIYers: Yes, serious DIYers

What colours is Pro Trade Joint Sealant FC available in: Black, grey, and white

Is Pro Trade Joint Sealant FC available in black: Yes

Is Pro Trade Joint Sealant FC available in grey: Yes

Is Pro Trade Joint Sealant FC available in white: Yes

What pack sizes does Pro Trade Joint Sealant FC come in: 310mL and 600mL cartridges

Is Pro Trade Joint Sealant FC available in a 310mL cartridge: Yes

Is Pro Trade Joint Sealant FC available in a 600mL cartridge: Yes

What cartridge format does Pro Trade Joint Sealant FC use: Standard cartridge applicator format

Does Pro Trade Joint Sealant FC cure faster than standard sealants: Yes, it is engineered for fast curing

What cure mechanism does Pro Trade Joint Sealant FC use: Moisture-cure polyurethane system

Does Pro Trade Joint Sealant FC contain xylene: Yes, 1–10% w/w

Does Pro Trade Joint Sealant FC contain diphenylmethane diisocyanate: Yes, less than 1% w/w

What is the diphenylmethane diisocyanate content in FC: Less than 1% w/w

What safety document format is available for Pro Trade Joint Sealant FC: GHS Safety Data Sheet

Is a technical datasheet available in the supplied materials for FC: No

Is a technical datasheet available in the supplied materials for LM: No

Where can I get the technical datasheet for Pro Trade Joint Sealant FC: Value not published - contact manufacturer directly

Where can I get the technical datasheet for Pro Trade Joint Sealant LM: Value not published - contact manufacturer directly

Is modulus specified in the FC safety data sheet: No

Is modulus specified in the LM supplied materials: No

Where is modulus data documented for these products: In the full technical datasheet

Is movement accommodation specified in the FC safety data sheet: No

Is movement accommodation specified for the LM variant in supplied materials: No

What document type contains movement accommodation data: Technical datasheet

Are tack-free cure times specified in the FC safety data sheet: No

Are through-cure times specified in the FC safety data sheet: No

Where are precise cure times documented for Pro Trade Joint Sealant FC: In the full technical datasheet

Is substrate compatibility listed in the FC safety data sheet: No

Are joint width recommendations listed in the FC safety data sheet: No

Are joint depth recommendations listed in the FC safety data sheet: No

Is Pro Trade Joint Sealant FC suitable for visible joints: Yes, due to three available colour options

Is Pro Trade Joint Sealant FC suitable for time-sensitive projects: Yes

Why is FC suited for time-sensitive projects: It is engineered for fast return-to-service

Is Pro Trade Joint Sealant FC suitable for expansion joints: Not confirmed without technical datasheet

Is Pro Trade Joint Sealant LM suited for high-movement joints: Likely, if LM confirms low modulus

Is LM colour availability confirmed in supplied materials: No

Are LM pack sizes confirmed in supplied materials: No

Is LM chemical composition confirmed in supplied materials: No

What is the primary difference between FC and LM: FC is fast curing; LM is likely low modulus

Do FC and LM serve different purposes: Yes, they serve distinct application purposes

Is Pro Trade Joint Sealant FC a high-modulus product: Not confirmed in supplied materials

Is Pro Trade Joint Sealant LM a low-modulus product: Likely, based on LM designation

Does the FC safety data sheet confirm performance specifications: No

What type of document confirms performance specifications: Technical datasheet

Can I compare FC and LM modulus from supplied materials: No

Can I compare FC and LM movement accommodation from supplied materials: No

Can I compare FC and LM cure speed from supplied materials: No

Is Pro Trade Joint Sealant FC part of a professional-grade range: Yes

Is Pro Trade Joint Sealant LM part of a professional-grade range: Yes

What is the recommended source for full FC specifications: Selleys technical datasheet

What is the recommended source for full LM specifications: Selleys technical datasheet

Is the FC GHS datasheet the same as a technical datasheet: No

Does the GHS safety data sheet contain application guidance: No

Does the GHS safety data sheet contain hazard classification: Yes

Does the GHS safety data sheet contain chemical composition: Yes

Does the GHS safety data sheet contain safe handling information: Yes

Is Pro Trade Joint Sealant FC available in more than two pack sizes: No, two sizes only

How many colours are confirmed available for Pro Trade Joint Sealant FC: Three

Is Pro Trade Joint Sealant FC a one-part or two-part system: One-part

Is Pro Trade Joint Sealant LM a one-part or two-part system: One-part

Label facts summary

Disclaimer: All facts and statements below are general product information sourced from available manufacturer documentation (FC GHS Safety Data Sheet); they are not professional advice. Consult Selleys technical datasheets and relevant experts for specification and application guidance.

Verified label facts

General product claims

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This guide covers two products within Selleys' Pro Trade range: the Pro Trade Joint Sealant FC (Fast Curing Polyurethane Sealant) and the Pro Trade Joint Sealant LM (Low Modulus Polyurethane Sealant). Both are single-component polyurethane sealants aimed at professional tradespeople and serious DIY users, sitting within the Home & Garden > Adhesives & Sealants category. The two products occupy the same product family but are designed to address different on-site priorities — the FC variant is optimised for fast curing performance, while the LM variant is engineered for high-movement joint flexibility.

Selleys is an Australian brand with a long-standing focus on adhesives, sealants, and fillers across both trade and consumer markets. The Pro Trade line represents their offering positioned specifically for professional applications, where performance consistency and site efficiency matter. The Pro Trade Joint Sealant FC fits into this range as the option to reach for when return-to-service time is a constraint — it cures quickly while still delivering ±25% joint movement capability, weatherproofing, and waterproof performance once cured. It handles both vertical and horizontal joints, including trafficable surfaces, and is available in White, Grey, and Black to suit common substrate finishes.

From a use-case standpoint, someone applying either of these sealants on a construction or renovation project is likely to also need a caulking gun for precise application, masking tape for clean joint lines, and a surface preparation product or primer depending on the substrate. While those specific products are not detailed in the available context, they represent the natural workflow surrounding any polyurethane sealant application.

Within the category, the key differentiator between the FC and LM variants comes down to project timing versus joint demands: the FC suits situations where fast turnaround matters, and the LM suits joints that experience significant ongoing movement. Understanding which condition applies to your project is the central question this comparison guide is designed to help answer.

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Product Data (OpenAI Spec)

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Specifications

Sag 0mm (EN ISO 7390)
Colours White Grey Black
Density 1.08 ±0.03 g/mL
Cure Rate ≥3mm / 24h
Technology Polyurethane adhesive & sealant
Limitations Not for continuous submersion or below‑water‑line use. Will not adhere properly to PE or PP; test other plastics before use. Do not apply on frozen or wet surfaces.
Application Temp 5‑40°C
Shore A Hardness ~40 ±5
Tack‑Free Time ~40 ±10 minutes (23°C / 50% RH)
Tensile Strength ~2.0‑2.5 N/mm²
Directions for Use 1. Clean surfaces thoroughly (remove dirt, oil, release agents, loose material). 2. Cut nozzle; load cartridge or sausage into gun; pierce seal if needed. 3. Insert backing rod if required; mask edges if neat finish is desired. 4. Extrude sealant ensuring full side contact; avoid trapping air. 5. Tool bead for smooth finish. 6. Paint with water‑based paints once cured; use primer if applying oil‑based paint. 7. Clean uncured sealant with mineral turps; remove cured product mechanically.
Elongation at Break ≥ 400%
Service Temperature –40°C to +70°C
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