Sika - Sikabond-T21 Urethane adhesive for wood flooring, moisture membrane and noise reduction, 15.40 L

SikaBond-T21 is a low-VOC, permanently elastic, one-component polyurethane compound. It is a very strong, low-permeability, moisture-curing adhesive membrane that reduces noise and also acts as a vapor barrier.

• Unique material that acts as a wood flooring adhesive, vapor barrier, and sound attenuation layer
• Compatible with radiant underfloor heating systems
• Extremely easy to trowel, low odor, and early adhesion
• Contains no water, so it will not cause swelling of the wood flooring
• Tough bond and 270% elongation
• Suitable for all common wood flooring
• Particularly suitable for delicate woods such as beech or bamboo
• Direct bonding to concrete for solid wood flooring up to 19 mm (3/4 in) thick and 20 cm (8 in) wide, and engineered wood planks up to 35.6 cm (14 in) wide with no length restrictions
• Eliminates the need for sleepers or plywood on concrete or gypsum substrates
• Permanently elastic - allows the blades to expand and contract without damaging the adhesive.