Primary seal in masonry where black reveal or shadow-line effect is desired
Uses
- A weather, moisture, vapor, air, sound and dust seal in static or expansion/contraction joints in walls.
- Generally used as a primary seal
- Can be used as a secondary seal behind a backerrod (or bond breaker tape) and caulking
- Suitable for use in substrates of brick, CMU, precast and cast-inplace concrete, wood, stone and most construction materials
- Used extensively for sealing vertical abutment joints between buildings, brick and CMU control joints, joints in tilt-up panels, etc.
- Anti-vibration and acoustic seal
An above-grade, wall expansion joint, 25V is a long-term, economical, high-performance seal for expansion and control joints in concrete, brick, stone, etc. where a black reveal or shadow-line effect is desired or where installed in concealed conditions.
25V is comprised of permanently-elastic, high-density, open-cell polyurethane foam, impregnated with a water-based, acrylic-stabilized, asphaltic emulsion.
Supplied precompressed to less than the nominal joint gap, after being released from its packaging, 25V expands to seal the joint gap under its own internal backpressure.
Sizes
1/4″ (6mm) to 4″ (100 mm)
Colour
Black
Movement
Plus 25%, -25% (50% total) of nominal material size
