Definition of the term Purlins
A horizontal structural member spanning between beams or trusses to support a roof deck. In slope glazing, purlins are the horizontal framing members.
A horizontal structural member spanning between beams or trusses to support a roof deck. In slope glazing, purlins are the horizontal framing members.
A list of discrepancies that need to be corrected by the contractor.
Special concrete that will be used in a concrete pump. Generally, the mix has smaller rock aggregate than regular mix.
In roofing, heavy asphalt impregnated boards which are laid over bituminous coatings to protect against mechanical injury.
A survey to determine the boundaries of a property. The cost depends on the complexity of the survey.
In roofing, any object or equipment which pierces the roof membrane.
Sealing of a porous surface so that compounds will not stain, lose elasticity, shrink excessively, etc. because of loss of oil or vehicle into the surround.
A material of relatively thin consistency applied to a surface for the purpose of creating a more secure bonding surface and to form a barrier to prevent migration of components. The first coat of paint in a paint job that…