Our free, online U-Value calculator can be used to calculate the required thickness of insulation for other pitched roof constructions. To form an AVCL, seal the joists between the boards. Ensure all board ends are supported on joists. The c.. 25mm Kingspan Kooltherm K7 Pitched Roof Board is the rafter/joist level insulation comprising a premium performance rigid thermosetphenolicinsulation core faced on both sides with a low emissivity composite foil facing. This un-ventilated structure is more likely to be used in new builds or retrofit projects where the roof covering is being removed. 3 inches regular polyiso + 1/2 inch high density polyiso cover board. Various products can be used for pitched roof insulation: semi-rigid insulation boards such as expanded polystyrene board, extruded polystyrene board, glass fibre batts, mineral fibre batts, urethane foam board or phenolic (fireproof) foam boards. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Ensuring any warm air which does pass into the cold loft space does not form condensation can be achieved by incorporating ventilation in the design. Scope. This website uses cookies to improve your experience while you navigate through the website. Firstly is the choice of insulation material. And made airtight using t. 2. They are suitable for many applications including thermal insulation for floors, walls, roofs and boiler rooms. This method of installing roof insulation allows you to maximise the headroom by using a thinner layer of insulation beneath the rafters, whilst achieving U-Values which will ensure you comply with Building Regulations and have a roof space or loft which is comfortable for its occupants. When completing a retrofit project, or converting a loft or attic space, this may not be the most cost effective or appropriate method of installing or upgrading pitched roof insulation, as it requires the rooftiles to be lifted to install the insulation boards above the rafters. 3. Analytical cookies are used to understand how visitors interact with the website. The cookie is used to store the user consent for the cookies in the category "Analytics". Lay mineral wool insulation between the joists as per manufacturer's installation guidelines. The cookie is used to store the user consent for the cookies in the category "Performance". When using rigid insulation boards, preference should be made for interlocking boards. For retrofit projects, Kingspan Kooltherm K14 Insulated Plasterboard goes 'under' the rafters. The cookie is used to store the user consent for the cookies in the category "Analytics". For a ventilated roof, fix battens on the inside of the rafters 50mm from the underlay to leave vented air spaces. With zero Ozone Depletion Potential (ODP) and a low Global Warming Potential (GWP),this high quality product offers energy saving benefits to the entire building. This cookie is set by GDPR Cookie Consent plugin. TIL-R Pitched Roofing Insulation Board is a high performance PIR insulation, perfectly suited to multiple applications. Whether its a new build, retrofit project, or when converting a loft or attic space, installing high performance rigid Mannok Therm Floor / MFinsulation boards can significantly improve the thermal performance of the space, and therefore the entire building, enabling specifiers to achieve excellent U-values. 5. 2. We use cookies on our website to personalise your experience and for measurement and analytics purposes. Facebook: @SIGRoofingUK. It is readily available in the two most popular and efficient tapers, 1/8" (3.18 mm) per foot (305 mm) (1%) and 1/4" (6.35 mm) per foot (3.18 mm) (2%). PIR foam boards are most commonly laminated with aluminium foil facings which provide an additional vapour barrier. Necessary cookies are absolutely essential for the website to function properly. By using our website and our services, you agree to our use of cookies as described in our. Insulation can be installed between the rafters using a ventilated roof construction or an un-ventilated roof construction. Following choices can be used: In a warm breathing roof vapour control layer must be used to underside of insulation to prevent moisture condensation. 2. It does not store any personal data. Xtratherm Pitched Roof Board XT/PR 2400mm x 1200mm. Th.. Thermafleece CosyWoolroll is a versatile low density insulation rich in British sheeps wool, which would give you all round performance and value for money. Flat Roof Insulation Installation. If required, cut the insulation boards to ensure they fit tightly and secure temporarily with appropriate nails. If you can't install cold loft insulation because, for example, you're using your loft as a living space, you will need to consider warm loft insulation. When converting your attic into a room, insulation is placed in between the rafters to create a worm roof. This cookie is set by GDPR Cookie Consent plugin. Mannok Therm Laminate-Kraft / MLK PIR insulation boards, Mannok Therm Roof / MR PIR insulation boards. Our insulation solutions for warm roofs provide thermal efficiency, whilst also contributing to acoustic performance. For pitched roofs, energy codes are concerned with ceiling or attic . It has a flexible edge, specifically developed using patented technology for a fast and easy, perfect friction fit between timber and metal frame syst.. 5m2 Low-E EZY-Seal Reflective Foil Insulation Rollgives a superior air infiltration barrier that reduces draughts and uncontrolled air movement and also increases thermal performance by blocking up to 97% of radiant heat. PIR insulation boards, such as Mannok Therm Roof / MR insulation, are widely used for insulating pitched roofs using either the warm roof or cold roof methods thanks to their excellent thermal performance, ease of handling and installation, their strength and durability. The standard product is supplied unfaced, but slabs can also be manufactured with a factory appli.. 50mm Earthwool Flexibleis a non-combustible, inorganic rock mineral wool slab, used for thermal and acoustic insulation and specifically designed for installation by friction fitting. ALL ROOF INSULATION BOARDS WALL INSULATION BOARDS Construction Type New Build Refurbishment Thermal Conductivity warm breathing roof insulated between rafters. TIL-R Pitched Roofing Insulation Board is a high performance PIR insulation, perfectly suited to multiple applications. Pitched roofs are very popular in many types of commercial and public buildings and can be constructed in two ways with a ceiling and without a ceiling, depending on the building specification and design. Thin-R PIR is a closed-cell rigid high-performance foil faced Polyisocyanurate (PIR) insulation. Key Considerations The below U-Value tables show what thickness of insulation to use to achieve a range of U-Values using Mannok Therm Roof / MR and Mannok Therm Laminate-Kraft / MLK PIR insulation boards. Insulating a pitched roof between and below rafters: cold roof insulation, Mannok Therm Laminate-Kraft / MLK PIR Insulation, Insulating solid ground floors below ground bearing slab, Insulating solid ground floors with a timber floating floor, Insulating solid ground floors above ground bearing slab, Insulating suspended beam and block floors, Insulating suspended timber ground floors between timber joists, Insulating suspended timber floors other than ground floor between timber joists, Insulating a pitched roof above the rafters: warm roof insulation, Insulating a pitched roof above and between the rafters: warm roof insulation, Insulating a loft or attic wall in pitched roof space, Insulating a flat roof with concrete deck, Insulating a flat roof with timber deck insulated above the joists: warm deck insulation, Flat roof: timber deck insulated between and below joists: cold deck insulation, Insulating masonry cavity walls with partial fill insulation, Insulating masonry cavity walls with full fill insulation, Insulating masonry cavity walls with internal dry lining, Insulating solid walls with internal dry lining insulation boards fixed to battens, Insulating solid walls with internal dry lining insulation boards fixed by battens, Insulating solid walls with internal dry lining insulation boards fixed by dabs, Insulating timber frame walls with weatherboards. Suitable for pitched roof, floor or framed wall applications, TIL-R Pitched Roofing Insulation Board benefits from an excellent thermal performance. Pitched Roof. The Xtratherm range of high performance insulation boards provides the ideal technically advanced solution for flat roof projects. Fibre Cement Slates; Natural Slates; Ridge & Hip Tiles. The cookie is used to store the user consent for the cookies in the category "Other. These rigid insulation boards comply to all relevant industry standards and can help achieve excellent thermal performance. Insulation shield on the trusses without breaks. EcoTherm in pitched roofs: Minimise potential condensation problems Ideal for room in the roof - insulate the roof, cheeks of dormers and ceilings Roofs insulated at rafter level create a warm roof; no pipe or tank lagging is required Insulate over, between or below rafters Cut the rigid boards quickly and easily to fit between rafters Eco-Versal Reduces thermal bridging. Email Us. Install Insulating sheathing above the roof deck on existing homes. Add to basket. Light, tough, and easy to cut to size with a plasterboard saw they're easy to install even in a small loft space. For new pitched roof buildings, it is common to opt for the warm roof construction method, and it is also suitable to install warm roof insulation when re-roofing an existing detached building. Variety of Slopes. Marley Roof Tiles; Redland Roof Tiles; Forticrete Roof Tiles; Spicer Tiles; Sandtoft Roof Tiles; Heritage Roof Tiles; Roof Slates. 3. With low emissivity foil facings, TB4020 is manufa.. 150mm Rockwool Roll Loft Insulation is a multi-functional medium-density insulation roll, especially designed for improving thermal performance in roofs and lofts, and acoustic performance and sound reduction in suspended ceilings. 4. 5. Providing quality Insulation since 1960 . Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. ROCKWOOL pitched roof insulation is designed to offer optimum thermal, fire and acoustic performance benefits. Add to basket. Ex All products physical prope.. 20mm Kingspan Thermapitch TP10is the rafter level insulation comprising of a highperformance rigid thermoset insulation core faced on bothsides with a low emissivity composite foil facing. PIR roof insulation boards are lightweight and easy to handle and fit. The cold roof method is generally more appropriate for refurbishments and loft or attic conversion projects, as it requires less disruption and cost than installing warm roof insulation in these cases. Set the boards onto a wide (30mm) bead of vapour resistant sealant applied to the under surface of all the joints and cross noggins. The cookie is used to store the user consent for the cookies in the category "Other. You can find out more about which cookies we are using or switch them off in settings. However, one sometimes chooses to install the insulation on the outside; this is called a 'sarking' system. Airtightness and ventilation in the roof space are important considerations when installing insulation at ceiling level to avoid condensation forming on top of the insulation and other surfaces in the cold space. It does not store any personal data. 5. 1" x 2' x 4' EIFS Weather Barrier Foam Board - Bundle of . Where there is a cavity. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Watch video. It can be used in nu.. 25mm Eco-Versal is a foil faced universal solution for insulating walls, floors, pitched roofs, dormer cheeks and ceilings. To see more prices enter delivery postcode: Celotex TB4020is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible.