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Glossary Of Roofing Terms

ROOFING TERM  DESCRIPTION

Abutment:  A junction of a roof surface with a wall, or any other structural feature, which arises above it

Barge Board:  A Timber/Upvc board fixed along the edge of a gable.

Batten:  Horizontal small section timbers that are nailed to the rafters and to which tiles/slates are fixed/secured.

Back Gutter:  A gutter formed in lead at the back of a chimney, or any other structure, which penetrates the roof to disperse water onto tiles/slates.

Cold Roof:  A roof that has insulation laid horizontally at ceiling level and a void between the insulation and its outer roof structure and covering.

Course:  A horizontal row of tiles/slates.

Dormer:  Framed window unit, which projects through the sloping plane of a roof.

DownPipe:  Drainage Pipe which takes water away from guttering to drains.

Eaves:  The horizontal, lower edge of a sloped roof – where the first course of tiles/slates are laid/fixed on the fascia board.

Fascia Board: The horizontal timber/Upvc trim attached vertically at the eaves that covers the rafter ends, the wall plate or the wall face – the guttering is fixed to this and upon which the first course of tiles/slates are laid

Felt/Underlay: Breathable membrane, untearable bituminous or PVC sheet material, supplied in rolls and laid over rafters

Flashing:  Strip/s of lead, used at abutments, to stop water penetration, The ‘Code’ of lead means the thickness.

Gable: The upper portion of a sidewall, which comes to a triangular point at the ridge of a sloping roof.

Gauge:  The length of tile/slate exposed after it has been installed. It equals the distance between the top of one batten/slate/tile and the top of the next.

Gutter:  The trough that channels water from the eaves to the down pipes.

Headlap: The amount by which a tile/slate overlaps the course below it.

Hip: The meeting of two pitched roof surfaces, which meet at an external angle.

Hip Iron:  A metal hook, which is secured to the roof structure to support the hip tiles and stop them from moving or slipping

Mortar:  Sand and cement mix consisting of 3/4/5 parts sand to 1 part cement.

Parapet:  Low protective wall that extends above the roofline for support.

Pitch: Also known as ‘slope’, is the measure of how steep a roof is. The pitch of a roof is a big factor in determining the kinds of materials that can be used and the longevity of the roof. Usually, a steeper roof will last longer due to its better draining capabilities.

Purling:  Main structural roof support timber: usually situated half way up the roof span: to which rafters are nailed.

Rafter:  The supporting framing timber, sloping from ridge to wall plate.

Raking Cut:  A diagonal cut across courses of tiles/slates.

Ridge:  The uppermost horizontal junction of two slopes forming the apex of a pitched roof.

Saddle: A piece of impervious flexible sheet material (usually lead) dressed to shape, fitted to provide weather protection.

Secret Gutter:  A gutter formed at an abutment and effectively hidden from sight.

Soaker:  A small piece of sheet (usually lead), shaped and inserted between the roof covering and the sub-structure (see felt)

Soffit Board:  A timber/Upvc board fixed to the feet of rafters, which forms the underside of projecting eaves.

Undercloak: Title or fibre cement strip, fixed at the verge beneath the battens, onto which the verge tiles/slates are bedded.

Underlay:  A layer of material acting as a barrier between the roof covering and the sub-structure (see felt)

Valley:  The junction of two inclined roof surfaces at an internal angle to provide water run-off;

Channel: To allow roof slopes at different pitches to join together and discharge water into gutters.

Valley Gutter:
 A visible gutter running down the valley.

Verge:  A free end of a roof surface; for example that at the end of a gable or dormer.

Warm Roof: A roof that has insulation and a vapour barrier laid above or between its supporting structure (normally on the pitch of the rafters) and immediately below its waterproof membrane.



USEFUL WEBSITES

http://www.bpcroofing.co.uk
http://www.marley.co.uk/
http://www.monier.co.uk/
http://firestonerubbercover.com
http://www.kingspaninsulation.co.uk/
http://www.calderlead.co.uk/
http://www.sandtoft.com/
http://www.velux.co.uk/
http://www.fakro.co.uk/
http://www.eurocell.co.uk/
http://www.proctorgroup.com/roofshield
http://www.forticrete.co.uk/
http://www.cupanaturalslate.co.uk/
http://www.rjsplasteringtiling.co.uk/
http://www.utterly-gutterly.co.uk/
http://www.aqualityroofingservices.co.uk/
http://www.firestonebpe.com/
http://www.westlothianroofing.co.uk/









Annual Property Maintenance programmes available. You have seen the craftsmanship & heard the reputation, call us today and receive a no obligation quotation from a large Re-roofing project to a leaky roof or leaking roofs repair.

Remember, all our work is fully guaranteed-all with Warranties-even small repairs.

Call or email us for free advice & quotations.

Call or Text 24 hour-
07922 635920(England) or 07783 870676(Scotland)

or -
01506 639085 Office

EMAIL: mail@bpcroofing.co.uk

BPC Roofing Services,                     BPC Roofing Services
Unit One, Radfordmill Farm,           32 Redhouse Court,
Timsbury, Somerset,                        Bathgate, West Lothian,
BA2 0QF.                                          EH47 7BU.

07922 635920(England)                 07783 870676(Scotland)

Proprieter: Mark Brown
Contracts Manager : Peter Stoney
Affiliated
Firestone Roofing Epdm Installers
Members of Federation of Small Businesses. ( FSB)
Members of The Federation of Master trades and Craftsmen.
Members of The Business Federations Group. (BFG)



 
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