Roof Coverings

 

Asbestos containing roofing

Any roofing material containing asbestos fibres. Typically produced in corrugated sheets, imitation slates or imitation shingles. Banned as a new construction material since around 2000 in most countries.

Cement tile roofing

A roofing tile made out of cement or concrete based products. Available in many shapes and sizes.

Copper roofing

Flat sheets of copper used as a roofing material. Very long lasting. The typical green colour of an old copper roof is a layer of oxidisation that protects the material from further deterioration.

Corrugated iron

A roll formed flat sheet roofing product that when formed with the ridges and valleys becomes stiff and strong. Called iron because it was first made out of wrought iron.

End Lap

(In Roofing) The amount by which roofing tiles, slates shingles flashings etc overlap each other to achieve waterproofing at the end, that is in the direction of the slope. Higher overlaps lower by the amount of end lap.

Imbrex and Tegula

Two Latin words that together describe a system of terra cotta roofing tiles that go back to Ancient Greek and Roman Tiles. The Tegula is a flat pan with raised sides. The Imbrex is a semi-circular tile that caps the joint between the Tegulae.

Lap

(In Roofing) The amount by which roofing tiles, slates shingles flashings etc overlap each other to achieve waterproofing. Usally referred to as either Side Lap or End lap.

Lead roofing

Flat sheets of lead used as a roofing material. Very long lasting. Used for flat roofs and pitched roofs (usually out of sight) and extremely usfull for flashings because of its malleability.

Mediterranean clay tiles

Also known as barrel or mission tiles in the US these semicircular with a taper are laid in alternate concave and convex rows.

Pantile

In the UK the name of traditional type of terra cotta or clay tile. “The Pantiles” is the name of an area in the town of Tunbridge wells, Kent, UK.

Plastic roofing

Roofing material made for patios and decks etc. to allow varying amounts of light through the sheeting. Made from synthetic materials, fiberglass, polycarbonate etc.

Roofing nail

Galvanised nails for fixing corrugated iron. About 65mm long with an integral washer they are now superseded by roofing screws.

Shingle clay tiles

Flat or slightly curved terracotta tiles fixed with similar laps and gauges to wood shingles or slates.

Side Lap

(In Roofing) The amount by which roofing tiles, slates shingles flashings etc overlap each other to achieve waterproofing at the side, that is in a horizontal direction.

Slate roofing

A roofing material consisting of overlapping layers of slate.

Slate roofs

Roofing material made from natural slate. A sedimentary rock that has the ability to be split into thin layers.

Terra cotta tiles

One of the oldest of roofing materials, these tiles are made from hard fired clay in many different shapes and patterns.

Wood shakes, Shingles

A roof covering made out of small wooden pieces lapped in a similar manner to roof slates.