Insulating Window Bucks for ICF & Exterior Insulation Projects needing a high performance insulated window thermal buck that's adaptable on site
ThermaBuck PH high performance insulating thermal buck system for windows and doors is Passive House Institute (PHI) Certified Component for Cold Climates - demonstrating it's proven performance ability under testing conditions.
- Secure window installation with exterior insulation systems often used in Passive House, Net Zero or LEED certified homes is a challenge. ThermaBuck PH insulated window bucks are the ideal solution for bridging the gap (TM).
- ThermaBuck PH insulates rough openings and extends the mounting surface for windows & doors while limiting thermal bridging - a quick and simple solution for bridging the gap between structure and exterior finish for windows and doors - ThermaBuck PH is the thermal window buck that performs best for ICF construction.
- ThermaBuck PH simply and economically replaces traditional wood bucks for secure window and door installation in externally insulated building envelopes.
- ThermaBuck PH are site-tailered to the exact window geometry to provide peak thermal performance for deep wall PH and NZ envelopes
Fitting ThermaBuck PH high performance insulated window bucks helps prevent thermal bridging around each window and door opening in sustainable building envelopes.
Improving the energy efficiency of both stick-built and ICF buildings, ThermaBuck PH reliably helps to prevent hidden interstitial condensation forming due to thermal bridging in cold climates, and in hot and humid climates where homes are heavily air conditioned. This helps prevent potential damage from moisture – which can lead to mold and rot needing extensive repairs.
Made from durable exterior grade materials, once secured to the rough window or door opening with an air & water barrier sealant ThermaBuck PH is simple to install and easier to flash dependably than a rough lumber window buck.
Dimensionally stable, made from recycled and recyclable materials, this exceptional insulated window buck system is strong, it won't warp or shrink, and helps to reliably secure windows and doors in externally insulated structures.
ThermaBuck PH gives superior performance compared to a traditional wood buck, and ensures the integrity of high performance window & door installations.
FAQs for ThermaBuck PH thermal buck system for windows
Insulated window buck installation and flashing details are below
Where to buy Insulating Window Bucks and thermal buck cost?
Insulated window bucks by Legalett are priced by the linear foot of insulating window bucks needed and the insulated window sill sections. Request an insulated window bucks quote here so we can include the transport cost to site.
How to install ThermaBuck PH window bucks with exterior insulation?
Installation of our insulating window bucks in a wall covered by exterior insulation couldn't be easier. Our standard profile is 11 3/4" wide, so this gives plenty of opportunity to effectively seal and securely fix the window buck to the main wall structure and be able to bridge the gap created between the exterior wall finish and the wall sheathing created by the additional insulation. If you need assistance or drawing details for installation or permit applications, be sure to request assistance from a local Legalett representative during the quotation process and we will be happy to help.
Are ThermaBuck PH insulated window bucks suitable for ICF wall construction?
Our insulating thermal bucks are ideal for use in the construction of ICF walls for the purpose of insulating window and door reveals. Designed by engineers with years of ICF construction experience, ThermaBuck PH simply replaces traditional lumber bucks and spans the exterior foam layer giving the ideal surface for flashing and air sealing to.
Can ThermaBuck PH be used as an insulated basement window buck?
Yes, the materials used in our high-performance thermal window bucks have been chosen to resist the conditions found around basement windows.
How to waterproof our insulated window bucks?
Under normal construction conditions and when correctly flashed and sealed our insulated thermal bucks shouldn't need additional waterproofing as the materials they are made from have been specifically chosen to give many years of reliable service.
Are ThermaBuck PH insulating window opening thermal bucks performance certified?
Yes, Legalett submitted ThermaBuck PH as part of their Passive House Institute certified ThermalWall PH Panel system which is a simple and cost effective way of boosting the wall insulation performance of practically any building, be that new build or renovation to Passive House or Zero Net Energy (ZNE) building standards. The ThermalWall PH Wall Panel System is also a Passive House Institute PHI Certified Component.
If you have any additional questions, or you want to get a rapid quote for our thermal window bucks, please use the simple form here.
- Contributes to energy efficiency
- Contributes to a healthy indoor environment
- Contains recycled materials
- Long lifespan
- Developed with reduced environmental impact
- Windows & Glazing
- ThermaBuck PH
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