Takeoff and Estimating Glossary

Knowledge Hub of Construction Estimating & Takeoff

Tapered Insulation

Tapered insulation is a sloped insulation system used on flat and low-slope roofs to create drainage paths and improve thermal performance.

TPO Roofing

TPO roofing is a single-ply membrane system that protects buildings from water, sunlight, heat, and weather exposure, especially on low-slope roofs.

EPDM Roofing

EPDM roofing is a durable membrane system used to protect buildings from water, weather, sunlight, and temperature changes. It is used on low-slope roofs.

Sealers

Sealers are protective products applied to surfaces to reduce moisture absorption, staining, wear, and other forms of surface damage.

Primers

Primers are preparatory coatings applied before paint or another finish to help the new coating bond to the surface and produce a more even finish.

Walnut Veneer

Walnut veneer is essentially a thin layer of walnut bonded to a substrate, giving furniture, cabinets, and panels the look of solid wood at lower cost.

Additive

An additive is a substance introduced into a base material in small quantities to change or improve how that material behaves, feels, or lasts.

GFRP (glass fiber reinforced polymer)

Glass Fiber Reinforced Polymer (GFRP) is a lightweight composite material made by combining glass fibers with a polymer resin to create strong, corrosion-resistant structural components.

Bituminous

Bituminous refers to a material that contains or is made from bitumen.

Sheetrock

Sheetrock is a drywall brand name commonly used for interior wall and ceiling panels in homes and commercial buildings.

Barbed Wire

Barbed wire is a kind of fencing material made of sharp metal points along the wire. It is frequently used to secure boundaries and control access to an area.

Plaster

Plaster is a gypsum, lime, or cement-based material applied to walls and ceilings to create smooth, durable, and protective surface finishes in construction projects.

Fiberglass

Fiberglass is a lightweight material that's made from glass fibers and resin that forms a strong, durable composite resistant to moisture and corrosion.

Cement

Cement is a fine powder of clay, limestone, and other minerals, when mixed with water creates a binding substance that holds materials together.

Abrasive

Abrasive is any hard material that is used for grinding, smoothing, cutting, polishing, or cleaning any surface using friction.

Elastic

If a material is elastic, it has the ability to return to its original shape and size after the deforming force is removed.

Translucent Panel

A translucent panel is made of fiberglass, polycarbonate, acrylic, or glass. It diffuses and scatters light, creating a soft glow and obscuring the view.

Polyvinyl Chloride (PVC)

Polyvinyl chloride, also known as PVC, is a widely used synthetic thermoplastic polymer made from salt and oil/gas and is known for its durability.

ACM (Asbestos-Containing Material)

Asbestos-Containing Material, also known as ACM, refers to any type of material or product that contains more than 1% asbestos by weight.

Solvent

A solvent is a liquid that is used to mix, dissolve, or clean other materials. It commonly finds usage in industries like construction, painting, and finishing.

Aggregate

Aggregate is a mix of materials like sand, gravel, crushed stone, and recycled concrete that are added to concrete and other building materials to make them stronger.

T&G Siding

T&G Siding is a type of wood or aluminum panels to create board surfaces with interlocked edges for a seamless surface.

Yield Point

The yield point is the level of stress at which a material begins to deform permanently and no longer returns to its original shape when the applied force is removed.

Zero Slump Concrete

Zero slump concrete is a very dry concrete mix that has no slump during testing and is often used in precast and machine-formed applications.

MDF

MDF is a smooth, engineered wood board made from compressed wood fibres. It is commonly used in furniture and interior applications.

ABS

ABS is a durable, lightweight thermoplastic commonly used for plumbing in buildings because it is strong, corrosion-resistant, and easy to install.

A36 Steel

A36 Steel is a commonly used structural steel grade known for its strength, weldability, and versatility in construction applications.

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Takeoff and Estimating Glossary

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