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Unilin Thin-R Cavity Wall Insulation PIR Board 1200 x 450 x 60mm
Thin-R CW is pre-formed to a system, building to the highest thermal standards whilst maintaining a residual cavity, offering protection from wind driven rain. XT/CW (T&G) for use in traditional masonry walls, builds to the highest thermal standards... -
Unilin Safe-R Cavity Wall Insulation PIR Board 1200 x 450 x 60mm
Our Safe-R SR/CW Cavity Wall Insulation is an aircrete insulation for traditional masonry cavity walls. The product is designed to achieve excellent U-Values whilst maintaining a residual cavity, offering protection from wind driven rain. -
Unilin Safe-R Pitched Roof Insulation PIR Board 2400 x 1200 x 60mm
SR/PR on sloped roofs (ventilated, hybrid or warm) provides the most efficient U-values with minimal intrusion into valuable living space. The roof construction is a critical element in the building fabric and is an area at high risk of heat loss. Using... -
Unilin Safe-R Soffit Insulation PIR Board 2400 x 1200 x 60mm
Safe-R Soffit SR/ST provides effective thermal and fire performance solutions in structural ceiling applications in commercial and residential buildings. This high performance phenolic insulation board is faced with composite foil facings. Safe-R Soffit... -
Unilin Safe-R Underfloor Insulation PIR Board 2400 x 1200 x 60mm
Safe-R Under Floor SR/UF is a superior performance rigid phenolic insulation with low emissivity aluminium facings both sides and has a thermal conductivity as low as 0.020 W/mK, delivering excellent U-values in floors. The floor in any building is an... -
Unilin Thin-R Cavity Wall Corner T&G Insulation PIR Board 1200 x 450 x 60mm
Unilin / Xtratherm Thin-R Cavity Wall XT/CW (T&G) features engineered tongue and grooved joints and pre-formed corners, ensuring insulation continuity and minimisation of thermal bridging. Each element automatically builds to a system thanks to it's... -
Unilin Thin-R Cavity Wall T&G Insulation PIR Board 1200 x 450 x 60mm
Unilin / Xtratherm Thin-R Cavity Wall XT/CW (T&G) insulation builds to a system, thanks to its engineered tongue and grooved joints and pre-formed corners. This ensures insulation continuity and minimisation of thermal bridging. XT/CW (T&G) is made for... -
Unilin Thin-R Flat Roof ALU Single Ply Insulation PIR Board 2400 x 1200 x 60mm
Unilin / Xtratherm FR/ALU is a high performance Polyisocyanurate flat roof insulation with vapour-tight aluminium foil facings suitable for use with single ply membranes. Designed to fit and seal the full range of single ply roofing systems. The unique... -
Unilin Thin-R Flat Roof BGM Insulation PIR Board 1200 x 600 x 60mm
Unilin / Xtratherm ThinR Flat Roof BGM Insulation PIR Board is ideal for use with partially bonded, torched-on and built-up bituminous felt systems. Built-up Bituminous Felt (BGF) is faced with a polypropylene fleece finished bitumen/glass fibre working... -
Unilin Thin-R Flat Roof MG Single Ply Insulation PIR Board 1200 x 600 x 60mm
Unilin / Xtratherm TR/MG is a high performance Polyisocyanurate with mineral coated glass facers suitable for use below single ply fully adhered roof membranes, single ply waterproofing systems and partially bonded built-up felt. Especially suited in... -
Unilin Thin-R Pitched Roof Insulation PIR Board 2400 x 1200 x 60mm
Unilin / Xtratherm XT Thermal Liner MF Insulation PIR Board is a composite insulated panel of Unilin / Xtratherm PIR insulation core with a composite foil facing bonded to 12.5mm tapered edge plasterboard for internal walls, sloped roofs and ceilings... -
Unilin XtroLiner Cavity Wall Insulation PIR Board T&G 1200 x 450 x 60mm
XtroLiner is an innovative partial fill wall cavity insulation system incorporating robust facings and preformed corners. The XO/CW jointing offers a practical on-site solution that results in a more robust continuous layer of insulation, minimising the...
Insulation
Insulation is an effective way to save energy in your home or property, as it helps to prevent draughts as well as energy from depleting out of the building, ultimately wasting money. Insulating your loft or attic is a simple and effective way to reduce heat loss and reduce your overall heating bill. Loft insulation is effective for at least 40 years.
Whilst saving energy is the most common incentive for home and property owners, there are many other reasons as to why you might want to install insulation. Insulation can prevent sound from travelling either around your home or between you and neighbouring houses. Good insulation also helps to prevent mould and condensation from appearing in your home, which is often caused by the differing temperatures of your internal and external walls. Insulation can also form part of your home’s resistance against the quick spread of fire.
There are a variety of different insulation products that we offer at Howarth and knowing which one to purchase will be determined by where you wish to use it and what you want to achieve from it, such as:
Glass wool, which is suitable for lofts and a variety of walls. Glass wool is manufactured from recycled glass, and it is not combustible, so it is ideal for offering both acoustic and thermal performance, as well as being water-resistant. It can also act as a cavity wall insulation, which means that it will trap the air in the insulation material that has been injected into the cavity. The clever use of materials helps trap warm air and prevent air circulating. As a result, heat loss is prevented using conduction and convection.
PIR boards are a rigid insulation board that can be used in walls, flooring, and lofts.
Polystyrene is ideal for walls, flooring and under concrete. It offers an excellent thermal insulator property as an insulation board, and it is also very easy to work with.
Rockwool is a stone-based insulation, which is suitable for cavities, partitions, and external walls, as well as floors and lofts.Pipe insulation is used to insulate all hot and cold-water pipes, including radiators and boiler systems. These are designed to prevent pipes from freezing during the cooler months.
For further information and expert advice about insulation, please contact your friendly local Howarth branch.
Frequently Asked Questions
How to guides
Insulation for every application
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Celotex Insulation
What is Celotex? A guide on what Celotex Insulation is and how its used around your home.
Isover Insulation
Isover Insulation - Learn more about Isover and their types of insulation boards.



