When a Sprowston roof has reached the end of its life, Poringland Roofers strips it back to the timbers and replaces it properly, from the first inspection through to the final clean-up.
Call any time. Calls are answered day and night and passed straight to our roofers.
Most roofs can be patched and maintained for years. At some point, though, the patchwork stops making financial sense. Common signs that a full replacement is due include widespread cracked or slipping slates, concrete tiles that have carbonated and begun to crumble at the edges, persistent damp at the eaves even after new flashing, and roof timbers that have been wet so many times the felt beneath them is failing in multiple places at once.
A single ridge tile coming loose is a repair job. A ridge where every other tile is lifting, the mortar is powdering and the felt beneath is torn is a replacement job. The difference matters because repeated short-term repairs on a roof that is structurally spent will cost more over three years than a replacement carried out now.
For homeowners in Sprowston, Poringland Roofers carries out complete pitched roof replacements on houses of all types, stripping everything back and starting with sound materials.
Understanding exactly what happens during a roof replacement helps you know what to expect and what questions to ask any roofer before work starts. Below is how a standard pitched roof replacement on a typical two-storey semi-detached or detached house unfolds from first visit to final tidy-up.
Before any price or programme is agreed, the roof needs a proper look. That means getting up on it, not just viewing it from ground level with binoculars. A close inspection will assess the existing tile or slate condition, the state of the roof felt beneath the tiles, the battens, the ridge and hip details, the flashings, valleys, verges and the visible timbers in the loft space.
From inside the loft, a torch check of the rafters and purlins will show whether any timbers are sagging, cracked, or have been carrying damp long enough to soften. Rotten rafter feet at the eaves are particularly common on older properties where the lead or mortar sealing the gutter has failed. All of this informs the scope of the replacement and what materials will be needed.
An accurate inspection is the foundation of an accurate price. If a roofer prices from the ground, the quote can change dramatically once the old tiles come off and the condition of the deck and timbers is revealed.
Once you know the roof needs replacing, the next decision is what to replace it with. The main options for a pitched roof in this part of Norfolk are:
The choice will affect both the cost of the job and the look of the finished roof. Your roofer should be able to show you samples or point you to manufacturer datasheets so you can make an informed decision before work starts.
A full roof replacement on a two-storey house requires scaffolding. There are no shortcuts here that are safe. The scaffold needs to go up before any work begins and come down only after the roof is completely finished and the site cleared.
For a standard three- or four-bedroom house, scaffold erection normally takes a day. The scaffold company and the roofing contractor should coordinate so there is no gap between scaffold going up and roofing beginning. Standing scaffold costs money per week, so delays in this stage add cost. Agree the programme clearly with your roofer before work begins.
The scaffolding should include a full perimeter system with toe boards, as stripped tiles and loose debris need to be contained. Skips or bags will be positioned to take the waste material as it comes down.
Stripping a pitched roof starts at the ridge and works down. Tiles or slates are removed, passed down to ground level and loaded into the skip. If any tiles are in sound condition and match a recognised profile, salvage is possible, though on a full replacement most material is too worn to reuse reliably.
Once the tiles are off, the old battens are removed and the underlay (felt) is stripped back. This is the point at which the true condition of the roof deck is visible. Rafters, purlins, ridge boards and any hip or valley timbers can now be inspected fully.
Any rotten timber found at this stage should be replaced before the new roof goes on. Laying new materials over compromised timbers defeats the purpose of the replacement. This is also the moment to check that the eaves are sound, that any fascia and soffit boards due for replacement have been addressed, and that the gutter brackets are in good order before new guttering is fitted.
Once the deck is sound, new underlay goes on. Modern roofs use a breather membrane rather than traditional mineral felt. Breather membrane allows moisture vapour from the building to escape while remaining waterproof from the outside. This matters in a lived-in house where cooking, bathing and breathing all add moisture to the air that eventually rises into the roof space.
The membrane is laid horizontally from eaves to ridge, lapped at the correct dimension to maintain waterproofing, and dressed into the gutters at the eaves. Ridge, hip and valley details are completed before battening begins.
New treated softwood battens are fixed over the membrane and into the rafters. Batten gauge (the spacing) is set to the specific tile or slate being used, as each product has a defined gauge for the correct head lap. Using the wrong gauge leaves the roof under-lapped and liable to let in wind-driven rain.
Tiling or slating starts at the eaves and works upward. A dry-fix eaves starter system or a mortar-bedded undercloak sets the first course. Each course is laid to the correct gauge and fixed according to the exposure zone and the manufacturer's requirements.
Valleys can be finished in lead, aluminium or with purpose-made dry-fix valley troughs depending on the product specified. Lead is the traditional choice and, properly dressed and clipped, should outlast the tiles around it by a significant margin.
Hips are bedded and pointed or fitted with a dry-fix hip system. The ridge is the last course to go on, either mortar-bedded or fitted with a dry-fix system. Dry-fix ridges have become the default on many roofs because they do not depend on mortar, which can crack and allow water ingress as it ages.
Where the roof meets a wall, chimney, dormer or parapet, a flashing is needed to seal the junction. Lead is the standard material for flashings on a quality replacement roof. It is cut and dressed into the brick mortar joints (ragged in), then fixed and pointed with a suitable sealant. A lead flashing done properly should not need attention for many years.
Proprietary self-adhesive flashing products exist and are used in some situations, but they are not a like-for-like substitute for properly dressed lead at critical abutments. Ask your roofer what flashing system they intend to use and why.
Chimneys, if present, need their own attention. The back gutter, front apron and stepped side flashings all need to be replaced when a new roof goes on. If the chimney stack itself is in poor condition, this is also the time to address repointing, rendering or capping before it is enclosed again by scaffold.
Modern building regulations require a pitched roof to have adequate ventilation to prevent condensation forming on the cold underside of the felt or membrane. If your roof previously had no ventilation and you are replacing it with a breather membrane, the ventilation requirements change. Your roofer should be able to advise on what is needed for your specific roof geometry.
Ventilation can be provided at the eaves (through fascia or soffit vents), at the ridge (using a vented dry-fix ridge or a purpose-made ventilated ridge tile), or at both. For a simple cold-deck pitched roof with no insulation at rafter level, cross-ventilation from eaves to ridge is the standard solution.
Once the tiling is complete and all ridges, hips, flashings and valleys are finished, the roof should be inspected before the scaffold is removed. With scaffold still in place, any small omissions, loose tiles or flashing details can be addressed without additional cost or risk. Once the scaffold is down, any subsequent access requires either a ladder or a new scaffold erection.
A methodical walk along the scaffold lifts, checking every ridge, hip, valley, verge and flashing, takes a short time and is well worth doing before the structure comes down.
A full roof strip produces a significant volume of waste: broken tiles, old felt and battens, mortar debris and miscellaneous fixings. This should be loaded into the skip or taken away by the roofing contractor as part of the job. The area around the house, the garden and any paths should be swept and checked for sharp tile fragments before the skip is collected.
Confirm with your roofer before work starts that waste removal and skip hire are included in the price. On some quotes they are itemised separately, which is fine as long as it is clear who is responsible for organising and paying for them.
The materials specified for a replacement roof matter as much as the workmanship. A good replacement will typically include:
Avoid any quote that does not specify the underlay, tile and flashing materials clearly. Vague descriptions like "good quality tiles" without a brand or product reference make it impossible to compare quotes fairly.
A roof replacement is a significant spend on any home. Before appointing any contractor, ask these questions:
A roofer who cannot answer these questions clearly, or who is reluctant to discuss materials, is worth approaching with caution.
Poringland Roofers carries out roof replacements in Sprowston and across neighbouring parts of the Norwich area, including Costessey, Thorpe St Andrew and Poringland itself. If you are based in or near Sprowston and your roof needs a thorough inspection, call us to arrange a visit so we can give you an honest assessment of what the roof needs and a clear, itemised price for the work.
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Call any time. Calls are answered day and night and passed straight to our roofers.
