Cup – How to Buy It
A homeowner can get a lot for his cash or a little when he purchases glass for windows, doors or even partitions. But if he knows which usually glass will do what, and how to buy it, he won’t pay double or triple prices for dish glass when he could have used weighty sheet glass, nor will this individual waste money by ordering glass from the sheet when he could have used a case.
Window glass, also called sheet glass, is the most commonly used in the house. In fact before glass walls and picture home windows were used it was usually the only kind. It comes in two thicknesses, individual strength and double strength; and in two qualities, A and N.
Grades A and B differ only in the number of small flaws and waves. However , the difference is not ordinarily noticeable, and many dealers no longer even stock A quality because they tend not to believe that it is worth a twenty-five percent premium.
Whether to use single or double strength depends mainly on window size. A good rule to follow is to use double strength for everything over about two feet square. How large can double strength cup be? If winds don’t exceed 70 m. p. h., dual strength glass may be used in sizes up to 38″x48″, or 34″x72″.
The following price jump to crystal linen or plate glass is very sharp. If you want a window wall consider the possibilities of working it out using the indicated dimensions of double strength rather than plate glass. This can be most attractive and at about one-fourth the cost. Move right across the room with 30″x72″ double-strength glass placed vertically. The distance of approximately 30″ to the floor can be basic wall or used for built-in bookcases, cabinets or ventilating louvers.
Buying window glass by the case is one way to save money. Cup by the case doesn’t cost a lot more than half as much as by the page. It’s also easier to handle. At cost-effective prices you can afford to use glass liberally in anything you build or even remodel or enclose. And, buying by the case does not mean you’re stockpiling it for years to come. Usually a case of window glass is no matter what number of sheets comes nearest in order to totaling 50 square feet. Situations of very large sheets contain 100 square feet.
Crystal sheet, which is heavy window glass of good quality, is the economical thing to buy when the opening is too big for double strength.
Plate glass, which is polished to optical perfection, may be 1/8″ thick or for a big view window, 1/4″ thick. If you have the long-distance view through your window, you will require plate glass. Otherwise you can use crystal sheet; for short distances you will not notice the slight waviness.
For dish and usually crystal sheet, in sizes too big for you to handle plus too expensive for you to risk breaking, you should figure on paying a higher installed price, which includes an expensive labor cost.
Heat-absorbing plate glass, while no substitute for air conditioning, does screen away approximately 29% of the sun’s high temperature. It is used in west windows of seaside homes, as well as in car windows. It costs about 5/2 times as much as regular plate glass.
Obscure glass is used where you need light but no visibility. For instance , a wall of it might be only the thing for a basement recreation space where part of the basement is used like a garage or workshop. For this you will need the thick kind, state 3/8″. Thinner figured glass serves for entrance panels, cupboard doors and shower enclosures.
Transparent mirror glass is often used for one-way vision within entrance doors. Ready-made it is extremely expensive, but a glass dealer who makes mirrors can usually get ready it for you at about half the price.
Insulating glass is the modern, superior replacement for ordinary windows plus thunderstorm sash. Like any insulation, it usually pays for itself over the years in gas savings as well as comfort. It consists of two or three panes sealed in products, with air spaces between the glass. A typical double glazed unit provides two sheets of 1/4″ plate glass with a 1/2″ air space between. Originally all insulating units had been made of plate glass, but it is now made in window glass as well. Until you need large windowpanes, you can save about one- third by using the window cup kind.
In the huge of building materials, glass blocks position as one of the most versatile. They can be useful for exterior as well as interior walls or for partition walls that do not go entirely to the ceiling.
Glass blocks provide light plus privacy. They come in many sizes and shapes and you can find special blocks made to control the sun. Furthermore, glass blocks are easy to preserve and special units are available to offer ventilation through glass block wall space.
Glass blocks can be installed within a wooden frame or in a mattress of mortar.
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Once you understand how to fixed class blocks in mortar — a project you might want to undertake to replace a current basement window with glass blocks – then you will be able to handle cup blocks within a frame inside the house. Materials on interior framing of cup blocks is readily available from glass block manufacturers.
How to Work with Glass Block
The proper mortar materials and mix are important whether for installing bricks or glass blocks.
The proper mortar materials are Portland cement, hydrated lime, sand, water, plus waterproofing compound. The addition of an integral water-proofer of the water-repellent type is an added measure to insure watertight joints. Manufacturer’s specifications concerning the use of this particular material should be followed very carefully. Where a waterproof masonry mortar is used, no additional water-proofer should be added to the mix. For better results, accelerators and antifreeze compounds should not be used.
The accurate dimension of materials is important. Generally a 1-1-4 mortar mix is adequate. However , reasonable variations from the mix are permitted and allowable limits are covered by manufacturer’s specifications.
The consistency of the mortar mix has a direct bearing for the strength and weather-proof ness of the joints. Since glass blocks do not have suction like bricks, the mortar must be drier… it should not circulation or have too much slump. Too wet a mix makes it extremely difficult to obtain proper alignment of block joints, and cleaning time is significantly increased. The mix should he or she not too dry, not too wet, but just right. Here is a valuable thing to remember: Do not re-temper mortar after the ¡niti. il set has taken place.
SECTIONS OF GLASS BLOCK 35 SQ . FT. OR LESS
In this kind of construction the maximum area is thirty-five square feet with maximum size 5′ and height 7′. The general practice is to use an expansion area at the side jambs of all glass block panels. However , for little panels as illustrated here the blocks can be mortared in strong at the side jambs. It is necessary, nevertheless , to keep a finger space in between brick withes about 3/4″ serious. This allows the mortar to key in at jamb and secure panel.
Glass block panels, regardless of area or size, are nonload having and require space at the go to take care of expansion and lintel deviation.
PANELS OF GLASS BLOCK IN BETWEEN 25 AND 100 SQ . FT.
Where it is desirable to show the entire face of the block panel, chases cannot be used for lateral support. Appropriate support can be obtained by using wall anchors if the area is not over a hundred square feet and neither panel dimension is over 10′. The wall anchors should be spaced 24″ aside – and occur in the exact same joint as the wall tie. To permit free movement of the panel, the anchors are crimped or bent in the expansion space. As a space for calking must be provided, a standard expansion strip is easily cut in order to 3″ width to be inserted between your anchors with gobs of concrete emulsion. Local code authorities in some areas may restrict the use of wall structure anchor construction.
This tool is used to cut glass to size. Usually, a glass cutter has a small rotary wheel or diamond set in the handle.
There are also cup cutting bits for drilling holes in glass. These special bits require the use of a lubricant while cutting. It is best to make a ‘well’ or ‘dish’ around the spot to be drilled by utilizing putty to form the walls. After that pour a little turpentine or essential oil into the ‘dish’ to lubricate the bit while it is cutting through the glass.
While you can usually buy glass cut to size, there are times when it is necessary to cut the particular glass yourself. When you watch an expert cut glass, it looks simple enough. Well, here’s how to cut glass like an expert.