Final Exam

What do natural fibers derive from ?

Plants, animals, and minerals

What was developed to reduce the use of pesticides?

Genetically Modified Cotton

What repels water, and is a good thermal and acoustic insulator that resists impact noise?

Cork

What is the coarse waste from spun silk called?

waste sink, or silk noil

Synthetic fibers were originally developed and marketed as less expensive alternatives of natural fibers such as_____ and _____.

silk and wool

What can be done to synthetic fibers to increase bilk?

Crimping

what fiber would you recommend that is water repellant, soft, and drapes well?

Microfiber

What fiber is abrasion resistant, poor sunlight resistance, and may pill?

Nylon

What is used to improve the fire resistance of commercial upholstery?

Aramids

Most wool and wool-blend upholstery fabrics and carpets are treated with chemicals for what?

Control moth larvae that eat wool

What is used as flame retardants in building materials, furnishings, polyurethane foams, and textiles?

Polybrominated Diphenol Ethers

Wall base moldings are installed to do what? how tall are they?

Cover expansion gaps and protect from damage from cleaning equipment. 2 1/2”, 4”, 6”

Both the ADA and ANSI have requirements for accessible floor finishes. What does this include?

carpet thickness, slip resistance, and changes in elevation between floor surfaces.

Ceramic tile flooring is durable as well as resistant to ____ and ____

combustion and bacteria

What kind of tile installation is this?

Thinset

What is usually required on wood subfloors when installing tile?

cementitious backerboard

The ADA requires glass treads to have what on the nosing?

contrasting strip

Which flooring would you recommend that is heavy duty, seamless, and adheres sanitary and safety requirements?

Poured flooring

Which flooring material would you recommend for a children’s play area that cleans easily, has excellent slip resistance?

rubber

What is added to vinyl products that increases flexibility and contributes to environmental concerns

PVC

All carpets and certain rugs manufactures in the U.S. are required to meet federal flammability standards commonly called ___ ____ ____.

the pill test

What is the most popular commercial carpet fiber?

Nylon

What does carpet backing provide?

Dimensional stability and protection

Supporting subfloor material must be able to :

carry the weight of tile, mortar and grout and provide a smooth, stabile surface

What would you supply for a wall surface to ceramic floor tile transition

Tile Coves