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WallTite – the airtight solution

WALLTITE® from BASF is a foam insulation system for internal walls, floors and roofs that provides a seamless airtight solution, which, unlike conventional insulation materials, is spray applied. WALLTITE® is only installed by BASF-trained professionals and we are proud to be one of the UK’s leading installers. Walltite offer a number of benefits over traditional insulation including:

  • Energy efficiency: Achieve minimum U-values. Thermal conductivity as low as 0.025 W/mk
  • Air tightness: Seamless insulation with no joints or gaps
  • Sustainability: Protection for the future
  • Design Freedom: One product, many applications
  • Occupier comfort: Creation of comfortable indoor climate

FOAM-LOK Open Cell Spray Foam

FOAM-LOK open cell spray foam insulation provides a cost effective fully breathable insulation solution. Manufactured by Lapolla Industries it is installed by a nationwide network of trained and registered contractors each of whom undergo regular audit by to ensure that installations are carried out in line with the appropriate Part L insulation and Part F ventilation regulation requirements.

It will provide a sealed thermal and airtight building envelope, eliminating heat loss and creating a comfortable healthier indoor environment. Less energy will be employed with FOAM-LOK insulation to heat or cool the building saving up to 50% on monthly costs and keeping conditioned air inside and unconditioned air out.

  • FOAM-LOK spray foam is an air barrier but not a vapour barrier and will manage moisture migration through the wall or roof structure.
  • Thermal conductivity of 0.037 W/mk (Lambda 90/90).
  • Euroclass E fire rating as a stand alone product. This is unique to open cell spray foam insulation types.
  • Class C sound absorption at 160mm.
  • ETA (European Technical Approval) and BBA (British Board of Agrément) certified with pending NSAI approval. FOAM-LOK is CE marked.

Air Tightness Explained

Air tightness, also known as the coefficient of heat transfer, a measure of the rate of heat loss or gain across a material through the process of conduction. U-values gauge how well a material allows heat to pass through. U-value ratings generally fall between 0.16 and 1.20. The lower the U-value, the greater a product’s resistance to heat flow and the better it’s insulating value. U-values are expressed in units of W/m2 °K.

The R-value is the reciprocal of the conductivity of a material and is the measure of the capacity of a material to resist heat transfer. The higher the R-value of a material, the greater it’s insulating properties. It is important to be aware that R-values depend not only on thickness but also on material type and installed weight per unit area. The effectiveness of an insulation’s resistance to heat flow also depends on how and where the insulation is installed. For example, compressed mineral wool will not provide its full rated R-value. The overall R-value of a wall or ceiling will be somewhat different from the R-value of the insulation itself because some heat flows around the insulation through the studs and joists.