Roof Deck Adhesive - 15 Litre
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Product Information
Full details
The ClassicBond EPDM Roof Deck Adhesive is a professional-grade, high-strength solution tailored for contractors and DIY enthusiasts installing EPDM roofing membranes onto timber substrates. Its primary benefit lies in its low-odor, acrylic-based formulation, which provides a reliable and long-lasting bond for flat roofs. The main caveat is that it is strictly intended for timber surfaces and requires precise application coverage to ensure the manufacturer's specified surface area yield.
All features
| Model Part Number | 521002 |
|---|---|
| Brand | ClassicBond EPDM |
Extended Product Information
FAQs
Can I use this on a concrete roof?
No, this adhesive is specifically formulated for bonding to timber deck surfaces.
How do I clean my roller after use?
Because this is an acrylic-based adhesive, you can usually clean tools with warm soapy water before the product cures.
What is the recommended application temperature?
For best performance, apply when ambient temperatures are between 5°C and 25°C.
Does it need to be applied to both the membrane and the timber?
This adhesive is designed for single-sided application onto the timber deck.
How long does it take to cure?
Cure time varies based on weather conditions, but it generally sets within a few hours. Allow 24 hours for a full bond.
Troubleshooting
Adhesive is clumping or too thick
Ensure the bucket was stored at room temperature; if cold, bring it to an indoor environment to reach ideal working consistency.
Membrane is bubbling after installation
This is typically caused by insufficient initial rolling or trapping air; use a stiff broom or weighted roller to press the membrane firmly into the adhesive while it is still tacky.
Adhesive not drying as expected
Check the humidity levels and temperature. Extremely cold or damp conditions will significantly increase drying time. Use only when temperatures are above 5°C.
Pros and Cons
Pros
- High-strength bond specifically for timber
- Significantly lower odor compared to solvent-based adhesives
- Easy to apply with standard roller equipment
- Covers a large surface area of up to 60sqm
- Reliable, long-term durability for EPDM systems
Cons
- Limited to timber substrates only
- Cannot be used in freezing temperatures
- Requires careful storage to maintain shelf life
- Not suitable for bonding to non-porous surfaces like metal
Setup, Compatibility & Care
To ensure success, verify that the timber deck is structurally sound and moisture-free before application. This adhesive is strictly compatible with ClassicBond EPDM membranes; avoid mixing with unauthorized adhesives. During application, stir the adhesive well before use. For storage, keep the bucket in a cool, dry environment between 5°C and 25°C, ensuring the lid is sealed airtight after every session to prevent the acrylic base from drying out or skinning over.