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Water Based Deck Adhesive (WBA)
Availability: In Stock
Excl. VAT: £17.75 Incl. VAT: £21.30

This high-strength, acrylic based adhesive allowing for fast, effective adhering of EPDM membranes to the timber deck.

Excl. VAT: £17.75 Incl. VAT: £21.30


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  • Product Info
  • Installation
  • FAQ

Water Based Deck Adhesive from Polygomma

The Polygomma Water Based Deck Adhesive is a high strength, low odour adhesive used for bonding a EPDM membrane sheet to a timber deck. Easy to apply with a roller.

Apply the WBA on the membrane, leaving the edges. Then use the Polygomma Contact Bonding Adhesive on the outer edge (100mm) to secure the EPDM correctly to the timber deck.

All surfaces must be completely dry and free of moisture. Ensure that the area hasn't been sealed with adhesive repellent or non-absorbent substance.

Sizes Available:

  • 2.5L (covers 7 to 10sqm)

  • 5L (covers 15 to 20sqm)

  • 7.5L (covers 25 to 30sqm)

  • 10L (covers 35 to 40sqm)

  • 15L (covers 50 to 60sqm)


  • Roofing surfaces should be clean and free from dust, grease and loose materials.

  • The surface of timber and composite boards must be sound and not degraded.

  • An effective vapour or damp membrane should be added to the roof structure when insulation is fitted.

  • Roof venting that is effective should be installed so moisture can escape.


  • Applied using a medium pile roller to achieve to an approximate coverage rate of 3-4m² / litre. A larger quantity of adhesive is necessary for open texture and rough surfaces.

  • The adhesive has a long effective open time, ranging from approx. 5 to 15 minutes after application assuming average UK weather conditions. The roof sheet should be laid into the adhesive during this period and pressed firmly into the adhesive with a broom or roller.

  • The effective open time range will be reduced by higher temperatures in the summer months. Care should be taken to ensure the membrane is laid into the adhesive before membrane grabs.

  • Regular checks should be made to ensure the adhesive completely transfers to the reverse of the sheet and is bedded in place after consolidating. The roof sheet should be pressed into the wet adhesive to ensure full adhesion, smooth membrane and remove any trapped air.

Apply the Polygomma Water Based Deck Adhesive