Plastic Loft Doors, 1201 Underfloor Vents, 1201AB Plastic Airbricks and Plastic Cavity Trays – 7.5%IRD’s – 5.0%Cavity Closers & Cavity Stop Socks – Variable % (Please contact your local branch for pricing)Date:01/01/2023Increase Amount:5 -7.5% All Price Increases