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10 Fill in the gaps with derivatives of the words in capitals:

POPULAR ROOFING MATERIALS

Part II

Composition shingles are a good choice for a clean look at an 1) _____ price. Higher-quality versions made from asphalt or fiberglass shingles offer a more durable option and may be available with recycled content. Composition shingles come in a large selection of types, brands and colors. Versatile, they adapt easily to different 2) _____. They are relatively easy to install, and in some applications can be nailed in place over an existing roof. They require low maintenance and can be walked on without 3) _____ the material. Most brands offer Class A fire protection.

   On the negative side, they can blow off in high winds. Material is easy to scar if hot. Does not have the 4) _____ look of tile or shake.

Clay roofing tile is a good choice for homes with a southwestern, Italian, or 5) _____ Mission design, or even for homes with a modern, clean look.

   Tile lasts a long time – its 6) _____ lifespan is greater than the lifespan of the material on which the roofing rests. Tile won't rot or burn, and it can't be harmed by insects. It requires little maintenance, and comes in a variety of colors, types, styles and brands.

The 7) _____ drawback to clay tile can be its weight. 8) _____on the material used to make it, tile can be very heavy – so heavy that extra roof support can be required.  With some new materials, however, color is added only on the surface of the tile, and they can fade over time. Although most modern tile is kiln-fired into the tile making the color permanent. Tiles are fragile, so walking on them can break them. That makes it more difficult to accomplish 9) _____ like painting or cleaning rain gutters or fireplaces. Initial 10) _____ can be more complicated than other roofing materials. Finally, tile can cost more than other roofing materials.

AFFORD

APPLY

DAMAGE

DIMENSION

SPAIN

EXPECT

BIG

DEPEND

MAINTAIN

INSTALL

11 Fill in the gaps in the following passage with a suitable preposition given below: popular roofing materials Part III

Concrete tile is now a roofing material. Shingles, simulated wood shakes, lighter-weight tiles and concrete panels are being manufactured 1) _____ a variety of fiber-reinforced cement products. Some are coated 2) _____ plastics, enamels, or thin metals, and some contain recycled material. Although the products themselves are not yet recyclable, they are a good choice 3) _____ durability and resource efficiency.

The advantages of concrete roofing vary from product 4) _____ product, but generally they all have a long lifespan, require low maintenance, offer good fire protection and are resistant 5) _____rot and insects. Many tiles mimic the appearance of wood shakes, while improving 6) _____the durability and fire protection that real wood affords. It can approximate the look of clay tile or slate while mitigating the structural problems caused 7) _____the weight of the real material.

Concrete is more expensive than some roofing materials, and early types 8) _____concrete roofing had problems with the material curling, breaking and changing color. Technology has improved, however, and these problems have mostly been overcome. Style and color choices are expanding, and 9) _____ mixing the cement 10) _____additives, manufacturers make lighter products. 

by(x2) from for of on to (x2) with(x2)

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