Glossary

 

Rainwater Head/Rainhead

A box-shaped receptacle sometimes used between gutters and downpipes to provide an external overflow point.

 

R-value

  A value given for the resistance to heat transfer of a roof or wall system.

 

Rib

A longitudinal upstand in cladding.

Ridge Capping

Formed metal designed to weatherproof the junction at the apex of opposing roof slopes.

 

Roofing Profiles

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