Capit Building Products Limited - Tel: 01225 791124

Home Product description Benefits More about Part L Product range Performance Data sheet Installation Pricing Stockists Contact Legal

CAPIT product range

CAPIT's range of five joist seals, with or without extenders, are suitable for use with all commonly used joist cross-sections, whether traditional timber joists or engineered joists, and all block thicknesses greater than 85 mm.

CAPIT
product
codes

Joist height  
Up to 225 mm
(without extender)
226 to 420 mm
(with extender)
 
Joist
width
38 mm CB225/38 CBX420/38
= CB225/38 & CBX38
39 to 50 mm CY225/50 CYX420/50
= CY225/50 & CYX50
51 to 60 mm CG225/60 CGX420/60
= CG225/60 & CGX60
63 to 75 mm CR225/75 CRX420/75
= CR225/75 & CRX75
88 to 100 mm CW225/100 CWX420/100
= CW225/100 & CWX100

Please click here for the joist seals to be used with engineered I-beam joists.

Remember:-

bullet

Each CAPIT joist seal can be used with any wall thickness greater than 85 mm and provide full support for the joist end directly on the blockwork. There's no need for different seals for different wall thicknesses.

bullet

Each CAPIT joist seal without an extender can be trimmed in height to suit joists substantially smaller than 225 mm in height, or the gap above the joist can be packed with mineral wool without affecting the sealing efficiency of the joist seal.

bullet

Each CAPIT joist seal with an extender can be used with any height of joist between 226 mm and 420 mm.

bullet

Each CAPIT joist seal can be packed with mineral wool when used with thinner joists without affecting the sealing efficiency of the joist seal.

bullet

Each CAPIT joist seal can be used with traditional  timber joists or engineered joists.