Description
PU Foam Adhesive for Roofing Insulation Boards
Soudatherm Roof 250 is a polyurethane foam adhesive specifically developed for the fast, clean and durable bonding of roofing insulation boards to a wide range of roofing substrates. Supplied in a convenient small-canister format, it offers a practical alternative to traditional fixing methods and can cover large areas quickly with minimal material waste.
The sprayable foam formulation provides excellent filling properties, making it particularly effective on uneven roofing surfaces. Applied using a standard or long-barrel PU foam gun, the adhesive delivers rapid strength build-up and high bond strength while helping to reduce installation time.
Suitable for most common insulation materials and roofing substrates, each canister can bond up to 14m² of insulation, making it ideal for smaller roofing projects, refurbishment work and repair applications.
Key Features & Benefits
- Polyurethane foam roofing adhesive
- Small canister format
- Sprayable application
- Bonds up to 14m² per canister
- Fast drying
- Fast strength build-up
- High bond strength
- Suitable for uneven surfaces
- Gap-filling foam formulation
- Clean and economical application
- Faster than many traditional fixing methods
- Compatible with most roofing insulation boards
- Suitable for insulation-to-insulation bonding
- Suitable for refurbishment and new-build projects
Suitable Applications
- Flat roof insulation installation
- Roofing refurbishment projects
- Roof insulation repairs
- PIR insulation board bonding
- PUR insulation board bonding
- EPS insulation board bonding
- XPS insulation board bonding
- Phenolic foam insulation bonding
- Mineral wool insulation bonding
- Multi-layer insulation systems
- Commercial roofing projects
- Domestic roofing projects
Suitable Insulation Materials
- PIR insulation boards
- PUR insulation boards
- Expanded polystyrene (EPS)
- Extruded polystyrene (XPS)
- Phenolic foam insulation
- Mineral wool insulation
- Mineral-coated glass fibre boards
- Bituminous glass fibre boards
- Aluminium-faced insulation boards
Suitable Substrates
- Insulation boards
- Masonry
- Steel roof decks
- Bituminous roofing felts
- Timber boards
- Hard PVC
- Plaster
- Approved vapour barriers
Technical Information
- Base: Polyurethane foam adhesive
- Application Method: PU foam gun
- Coverage: Up to 14m² per canister
- Open Time: Approximately 8 minutes
- Recommended Bead Size: 30mm
- Fast Strength Build-Up: Yes
- High Bond Strength: Yes
- Suitable for Uneven Surfaces: Yes
- Fast Drying: Yes
Frequently Asked Questions
What is Soudatherm Roof 250 used for?
Soudatherm Roof 250 is designed for bonding roofing insulation boards to flat roof substrates and insulation layers.
How much area does one canister cover?
Each canister can bond up to 14m² of insulation board under recommended application conditions.
What insulation boards can it be used with?
It is suitable for PIR, PUR, EPS, XPS, phenolic foam and mineral wool insulation boards.
Can it be used on uneven roofing surfaces?
Yes. The foam adhesive has gap-filling properties that help compensate for uneven substrates.
How quickly should insulation boards be positioned?
Boards should be pressed into the adhesive within the open time of approximately 8 minutes.
When can the roofing membrane be installed?
Under normal conditions, the roofing membrane can typically be installed after approximately 30 minutes.
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