The Isomass Isocheck Expandastrip Door/Window Frame Seal 10/20mm is a highly effective solution for sealing gaps in door and window frames. This versatile product expands from 10mm to 20mm, making it suitable for a wide range of applications. At 4000mm long and 30mm wide, it provides ample coverage for most standard doors and windows. Manufactured by industry-leading brand Isomass, the Isocheck Expandastrip is renowned for its durability, flexibility, and excellent sealing properties.

Brand Name	Isomass
Material	Expandable Foam
Type	Door/Window Frame Seal
Thickness	Expands from 10mm to 20mm
Dimensions	4000mm Length x 30mm Width
Application	Door and Window Frames
Installation method	Adhesive backing for easy application
Moisture resistance	Water-resistant