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The Number 1 Choice for fascias and soffits.

What’s involved in the Complete Replacement of your fascias, Soffits, Roofline and Guttering.

For Quality, For Service, For Value.


At Roofline Design we take great pride in being one of the most popular and recommended roofline and flat roof Companies for the Complete Replacement of your uPVC fascias, soffits, roofline and guttering.

Over the years we have seen more and more clients which in the first instance opted for the cheaper option of over cladding and found that this is not the answer to their soffits, fascia and roofline problems, this option fails to last and also devalues your property.

The Complete Replacement of your Fascias and Soffits adds value to your Property and is a permanent cure.

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© 2006 Roofline Design - uPVC (PVCu) Fascias and Soffits, Guttering Replacement, Roofline

Fascias and Soffits from Roofline Design.

The Roofline Roofline System comprises a range of white cellular PVC-U (PVC-UE) soffit, fascia and barge boards and ancillary components including extruded trims, injection moulded joints and end caps.

Fascia boards

The fascia boards are available in thicknesses boards are extruded in standard 5 m lengths with a nominal density of 430 kg·m–3 and a skin thickness of The 20 mm and 25 mm fascia boards are also called Jumbo boards.

The ribs running along the unexposed face of the Ogee Cappit boards are intended to allow air to the backing board and maintain a level front surface.  Fascia board is also available with a decorative chamfered cut edge, either convex or concave. The decorative chamfered edge of the board is achieved by routing along the edge of Fascia board.

The purpose of the chamfer is to reduce the visibility of the cut edge. The minimum width of the decorative board is 160 mm (concave) and 160 mm (convex). All fascia profiles are available as double ended boards in widths of 355 mm, 405 mm and 455 mm.


The cellular boards comprise a closed-cell cellular PVC-U core beneath an outer weathering impact-modified PVC-U skin. The boards are manufactured by co-extruding the skin compound onto a foamable core compound, cooling and forming to section.

Cellular PVC-U is formed during the process by the evolution of gas from sodium bicarbonate in the core compound. Both core and skin formulations include a tin-based stabiliser. The trims are acrylate styrene acrylonitrile (ASA). Joint covers are injected-moulded.

As part of the assessment and ongoing surveillance of product quality, the BBA has:

• agreed with the manufacturer the quality control procedures and product testing to be undertaken

• assessed and agreed the quality control operated over batches of incoming materials

• monitored the production process and verified that it is in accordance with the documented process

• evaluated the process for management of nonconformities

• checked that equipment has been properly tested and calibrated

• undertaken to carry out the above measures on a regular basis through a surveillance process, to verify that the specifications and quality control operated by the manufacturer are being maintained.

The management system of Specialist Building Products Limited has been assessed and registered as meeting the requirements of BS EN ISO 9001 : 2008 (Certificate FM 09180) and ISO 14001 : 2004 (Certificate EMS 513947) by BSI. 3 Delivery and site handling 3.1 Standard 5 m lengths of boards are delivered to site in packs sealed in polythene sleeves bearing the Certificate holder’s marking and the BBA identification mark, incorporating the number of this Certificate. Pack quantities vary dependent upon the type of profile.

The packs should be unloaded by hand to avoid damage, stored on a clean, level surface in stacks not exceeding one metre in height and restrained from collapse. If stored externally, the packs should be kept undercover.

Care must be taken when handling PVC-U fascia and soffit boards and trims to avoid contact with solvents or materials containing volatile organic components.

 Practicability of installation The system can be readily installed by operatives experienced with this type of system.

Strength and stability.

When installed in accordance with this Certificate, the system will withstand, without damage or permanent deflection, the wind loads likely to be encountered in the United Kingdom. In exposed locations care should be taken to ensure that all profiles are adequately fixed.

The system has adequate resistance to the hard and soft body impacts likely to occur in practice.

PVC-U gutters, as specified in BS EN 607 : 2004 may be screw-fixed directly to the fascia boards. Gutter bracket spacings must not exceed one metre; reduced spacings are recommended in the areas of high exposure eg Scottish Highlands. Other lightweight gutters may also be screw-fixed to the board provided the maximum bracket-loading, covered in BS EN 1462 : 2004, is not exceeded.

The  fascia boards will support all eaves tiles in common usage in the UK (up to 10 kg load per 1 m length of fascia), provided they are installed in accordance with the requirements of this Certificate Apart from the exception detailed in section.

The fascia boards are not load 4bearing and must not be used independently to support fixtures such as roof tiles, other roof structure components or television aerials. Suitably fixed telephone wires and power cables may be run along the boards but the main brackets for these services should be fixed through the fascia to structurally sound timber.

Performance in relation to fire.

When tested in accordance with BS 476-7 : 1997 the 9 mm cellular boards achieve a Class 1Y surface spread of flame rating and the Fascia and Soffit cellular boards achieved a Class 1 rating.

On exposure to fire PVC-U tends to char and may fall away. The spread of flame along its surface is limited. It is unlikely that the roof trim system will significantly affect the overall fire performance of any roof in which it is installed.

Where it is normal practice to carry the eaves box over, between dwellings, it is important that the box is fires topped at compartment walls.

The components of the system are worked using woodworking specialist tools for cutting, drilling and shaping. Handsaws should have a fine-toothed blade. Hand-held and bench-mounted power tools with a carbide-tipped blade should be run at speeds similar to, or higher than, those normally used for timber.

When using power tools to cut or shape the components, eye protection and a coarse particle dust mask should be used.

Fascia, soffit and barge boards should be fixed to preservative-treated, structurally sound, solid timbers at centres not exceeding 600 mm, using the fixings specified by the Certificate holder.

Existing support timbers should be checked for soundness and, where necessary, replaced.

Sarking felt should be checked to ensure that it is in good condition and extends onto the verge rafter and over the fascia and into the gutter at the eaves. A continuous fillet, or eaves protection system should be installed at the eaves to prevent the felt sagging between the rafters. Damaged or worn felt should be replaced in accordance with good practice.

Normal precautions should be taken when working at roof level. The use of protective goggles when cutting and nailing is recommended.

Ventilated boards should be selected and installed so that the roof ventilation conforms to the relevant Building Regulations.

It is recommended that the 9 mm fascia boards are fixed over a sound backing board. This may be an existing fascia providing that this is inspected thoroughly and found to be in sound condition. Otherwise the existing fascias should be removed and replaced by minimum 12 mm thick marine grade plywood or other equivalent backing board.

A minimum of two 50 mm nails or two 40 mm screws per maximum 600 mm centres are used for fixing 9 mm fascias.

The fascia boards may be used directly to support PVC-U and other lightweight gutters used by specialsits.

The fascia boards may be used to support eaves tiles In certain geographical/topographical locations, the eaves tiles will need to be restrained in order to resist wind uplift. Guidance on this fixing should be sought from the manufacturer of the eaves tile.

A minimum of two 65 mm nails at maximum 600 mm centres are used for fixing fascia boards to rafter feet procedure.

Selected boards and accessories are assembled and cut to size.

Rafter feet are cut to a line  noggings, soffit bearers, battens, eaves fillets, brackets and other additional timber supports are fixed to a sound substrate.

Protective films should be removed just prior to fixing by peeling off as nailing progresses along the board.

The summary for the installation details of fascia, soffit and barge boards should be read with reference to the typical installation diagrams

Fascia installation.

Fascia boards are fixed to rafter feet, or where relevant to support timber at centres not exceeding 600 mm using at least two fixings per rafter. When the product is installed in particularly exposed locations it is recommended that the fascia boards are fixed to support timbers at maximum 400 mm centres.

Where necessary, fascia boards are joined between rafters using the appropriate joint trim cut to size. The trim is fixed to one board only allowing 4 mm gap for expansion at the end of each board. Depending on the trim, either a low modulus silicone sealant or a nail through the spine of the trim into the end of the board is used to secure the trim in place.

At external corners, the appropriate corner joint trim, cut to size, is used. The trim is either nailed to timber work through the holes provided in the inner lug of the trim using the specified 25 mm nail or face-fixed to one board with a low modulus silicone sealant depending on the particular trim. In each case, a 4 mm gap for expansion is left at the end of each board.

Internal corner joint trims are available for some boards and these are fitted by the correct procedure and with full training and for external corners soffit Boards Soffit boards, fitted into or butted up against fascia boards, may be used in a variety of ways, Soffit boards should be fixed into soffit bearers, battens secured to the wall, or the underside of the rafters at maximum 600 mm centres along their length, and 200 mm centres across their width, using 40 mm nails specified by the Certificate holder.

Where cladding boards are used to construct a soffit, the instructions specified for this product should be followed, starting at the fascia and working towards the building using the specified secret-fix annular ring-shank nails. For soffit runs in excess of 5 m board ends are fitted into a soffit joint trims and soffit corner returns are made by cutting the boards to the appropriate angle and joining with a soffit joint trim. Barge board.

Barge boards are installed by fixing fascia boards to a gable ladder or noggings, using the procedure given for fascia boards.

The barge board ridge joint should be made using an appropriate joint trim, depending on the barge board profile.

Eaves box ends should be made using the appropriate fascia board and cut to suit the roof pitch, fascia and soffit detail. The fascia boards are nailed to the roof timbers and the box end trims fixed to the PVC-UE boards, with low modulus silicone sealant and, if necessary, additional nail trims and treated timber should be used to create the support framework required for the box end.

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“Really pleased with the work carried out. Looks fantastic and all the old guttering and mess cleared away, the guys did a great job and would thoroughly recommend them.”

“Good hard working lads done a good job, could have left the area a little tidier when finished. Very please with the end result.”

“The crew were very prompt in timekeeping. The Team leader introduced himself and explained what was to happen, and checked the materials for installation were correct. He explained that using the scaffolding they erected allowed them to complete the installation safely.”

“Very pleased with the work carried out. The fitters were very pleasant and the attention to detail was excellent. Tidied up after ever day before they left. Thank you.”

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