Lead Flat Roof Dormer

If the slope of your dormer roof is the same as your old roof hold a scrap of plywood against the old roof boards and draw a level line on it.

Lead flat roof dormer.

Along the level line and using a square to draw a perpendicular line up to the roof edge of the board. Lead must be laid and formed correctly to achieve this long life however. More about lead as a building material. Mansard dormer lead dressing loft.

Lead covered roofs typical of many churches and cathedrals. One particular problem which has been the subject of increasing concern speculation and debate is the tendency for condensation on the underside of metal roofs to cause corrosion. 1 install roof underlayment up to the dormer. Average cost and size.

A mosby consultant went up on the roof for a look and immediately noticed that the cable company had drilled a hole to run a wire through the roof that wasn t properly sealed up. Correctly laid lead roof greyfriars roofing note the height of steps between bays the rolled joints and adequate overlaps problems. The larger a dormer is the lower its cost per square foot will be. Tops of dormers to be recovered with 5lb lead as for flats with lead or copper fixing tabs at all exposed edges.

13 3 dormer and chimney aprons to be dressed at least 100mm around angles and to have 230mm inclined apron supported by lead clips at not more than 750mm intervals. Lead is commonly used for flat roofs because of it s long life and ability to be formed to fit many positions. Make a rafter cutting jig by measuring 12 in. However even with the best of materials poor design often leads to failure.

Flat roofs have less roofing material but more siding so your cost will vary based on the price of the materials you choose. Some recent work carried out by w s everitt lead roofing. That was considered a contributing factor because the hole wasn t big enough to create the kind of damage seen in the foyer. Whilst shaping some of the oldest and most beautiful architecture lead is regularly used in more modest commercial and domestic roofing too from whole roof coverings porches turrets and parapet roofing to modern roof waterproofing details like flashings valleys and gutters.

Lead sheet one of the oldest and most durable roofing materials has been known to last for over 200 years. Here s a step by step look at how to flash a dormer so that water is carried away from those vulnerable areas. This is especially important with dormers because they expose a large wall area to the weather and create many linear feet of vulnerable roof wall intersections. 24 500 for dormer 16 wide x 14 deep.

80 125 per square foot or 17 900 to 28 000. Flat roof roll and drip intersections 42 pitched roof joints and fixings 43 pitched roof intersection with valley 44 vertical cladding joints and fixings 45 vertical cladding head finishes 46 dormer windows jambs and s ill 46 dormer windows tops jambs soffit and side cheeks 47 bay windows and door hoods 48 49. Flat roof dormer cost.