Installation Instructions

ManualsBrandsKimberly-Clark ManualsBuilding materialsBLOCK-IT® 9' x 75' House Wrap

General BLOCK-IT* Recommendations:

• Store BLOCK-IT* in a clean, dry, covered area until installation.

• Use a sharp razor knife to cut BLOCK-IT*.

• Use a good quality C920 Class 25 caulk and/or ashing tape with acrylic or butyl

adhesive for sealing windows, doors or penetrations.

• Due to the drainage properties of BLOCK-IT* it is recommended that all ashing tapes

are rolled after installation with a spline roller to ensure proper bonding.

• Limit UV exposure to 6 months

• Whenever you are installing a product that could bond to BLOCK-IT* such as stucco,

cultured stone, or brick a release layer, building paper, should be used.

Summary of content (4 pages)

PAGE 1
General BLOCK-IT* Recommendations: • Store BLOCK-IT* in a clean, dry, covered area until installation. • Use a sharp razor knife to cut BLOCK-IT*. • Use a good quality C920 Class 25 caulk and/or flashing tape with acrylic or butyl adhesive for sealing windows, doors or penetrations. • Due to the drainage properties of BLOCK-IT* it is recommended that all flashing tapes are rolled after installation with a spline roller to ensure proper bonding.
PAGE 2
Installation instructions: 1. Start at a corner install BLOCK-IT* shingle fashion, fabric side facing out (Print side out). Ensure BLOCK-IT* continues beyond the band joist and extends a minimum of 2” below the frame to foundation intersection. Use cap nails or cap staples to attach BLOCK-IT*. Fasteners should be installed no more than 24” OC. Fasteners should be 4” away from the sides and 12” away from the top of any window or door openings to leave room for flashing. 2.
PAGE 3
General flanged window and flanged door installation instructions: 1. Cut BLOCK-IT*, at the rough opening, in the shape of an upside down champagne glass. At the sill extend the cut 4” horizontally on each side of the rough opening. 2. Installation of a preformed sill pan is recommended under all doors and windows. A. An alternate method to a preformed sill pan would be to use flashing tap with an acrylic or butyl adhesive that conforms to the corners. First, fold BLOCK-IT* in at the bottom and sides. B.
PAGE 4
Penetration installation instructions: Standard Penetration - pipes, wires 1. Cut a square flap in the BLOCK-IT*, and temporarily tape it out of the way. Install the flashing panel over the pipe. Make sure the flashing panel is the correct size for the pipe. 2. Unfold the flap of BLOCK-IT* over the flashing panel. Apply flashing tape with acrylic or butyl adhesive to the vertical edges of the flap. flashing tape Flanged Penetration seal flap with tape 1.