Glass – How to Buy It
A property owner can get a lot for his money 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 dual or triple prices for plate glass when he could have used weighty sheet glass, nor will he 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 just before glass walls and picture home windows were used it was usually the only real kind. It comes in two thicknesses, single strength and double strength; and in two qualities, A and N.
Grades A and B vary only in the number of small flaws and waves. However , the difference is just not ordinarily noticeable, and many dealers may even stock A quality because they usually do not believe that it is worth a 25 % premium.
Whether to use single or even double strength depends mainly on window size. A good rule to follow is to use double strength for anything at all over about two feet sq .. How large can double strength cup be? If winds don’t exceed 70 m. p. h., double strength glass may be used in sizes up to 38″x48″, or 34″x72″.
The next price jump to crystal page or plate glass is very sharpened. If you want a window wall consider the possibilities of working it out using the indicated dimensions of double strength instead of plate glass. This can be most attractive and at about one-fourth the cost. Go right across the room with 30″x72″ double-strength glass placed vertically. The distance of around 30″ to the floor can be simple wall or used for built-in bookcases, cabinets or ventilating louvers.
Buying window glass by case is one way to save money. Cup by the case doesn’t cost much more than half as much as by the page. It’s also easier to handle. At cost-effective prices you can afford to use cup liberally in anything you build or even remodel or enclose. And, purchasing by the case does not mean you’re stockpiling it for years to come. Usually a case of window glass is whichever number of sheets comes nearest to totaling 50 square feet. Instances of very large sheets contain a hundred square feet.
Crystal sheet, which is heavy window glass of good high quality, is the economical thing to buy once the opening is too big for dual strength.
Plate glass, which is refined to optical perfection, may be 1/8″ thick or for a big watch 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 never notice the slight waviness.
For dish and usually crystal sheet, within sizes too big for you to handle and too expensive for you to risk breaking, you should figure on paying a higher set up price, which includes an expensive labor price.
Heat-absorbing plate glass, while simply no substitute for air conditioning, does screen out 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 cup.
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 room where part of the basement is used being a garage or workshop. For this you should need the thick kind, state 3/8″. Thinner figured glass acts for entrance panels, cupboard doorways and shower enclosures.
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Transparent reflectors is often used for one-way vision within entrance doors. Ready-made it is extremely expensive, but a glass dealer which makes mirrors can usually prepare it for you at about half the cost.
Insulating glass is the modern, excellent replacement for ordinary windows plus surprise sash. Like any insulation, it generally pays for itself over the years in gasoline savings as well as comfort. It includes two or three panes sealed in systems, with air spaces between the glass. A typical double glazed unit provides two sheets of 1/4″ dish glass with a 1/2″ air space between. Originally all insulating units were made of plate glass, but it has become made in window glass as well. Unless you need large windowpanes, you can save about one- third by using the window cup kind.
In the large of building materials, glass blocks position as one of the most versatile. They can be employed for exterior as well as interior walls or for partition walls that do not really go entirely to the ceiling.
Glass blocks provide light plus privacy. They come in many sizes and shapes and you will find special blocks made to control sunlight. Furthermore, glass blocks are easy to sustain and special units are available to deliver ventilation through glass block wall space.
Glass blocks can be installed within a wooden frame or in a mattress of mortar. Once you understand how to established class blocks in mortar – a project you might want to undertake to replace an existing basement window with glass blocks – then you will be able to handle cup blocks within a frame inside the house. Literary works on interior framing of glass blocks is readily available from cup block manufacturers.
How to Work with Cup Block
The proper mortar materials plus mix are important whether for putting bricks or glass blocks.
The correct 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 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 measurement of materials is important. Generally a 1-1-4 mortar mix is adequate. However , reasonable variations from the combine are permitted and allowable limitations are covered by manufacturer’s specifications.
The consistency of the mortar mix has a direct bearing on the strength and weather-proof ness of the joints. Since glass blocks have no suction like bricks, the mortar must be drier… it should not flow or have too much slump. Too damp a mix makes it extremely difficult to get proper alignment of block important joints, and cleaning time is greatly increased. The mix should this individual not too dry, not as well wet, but just right. Here is a positive thing to remember: Do not re-temper mortar following the ¡niti. il set has taken place.
SECTIONS OF GLASS BLOCK 35 SQ FT. OR LESS
In this type of construction the maximum area is 35 square feet with maximum width 5′ and height 7′. The overall practice is to use an expansion area at the side jambs of all cup block panels. However , for little panels as illustrated here the particular blocks can be mortared in strong at the side jambs. It is necessary, nevertheless , to keep a finger space between brick withes about 3/4″ heavy. This allows the mortar to type in at jamb and secure screen.
Glass block panels, regardless of region or size, are nonload having and require space at the go to take care of expansion and lintel deviation.
PANELS OF GLASS BLOCK BETWEEN 25 AND 100 SQ . FEET.
Where it is desirable to show the entire face of the block panel, chases cannot be used for lateral support. Correct support can be obtained by using wall anchors if the area is not over one hundred square feet and neither board 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 particular anchors are crimped or curved in the expansion space. As an area for calking must be provided, a typical expansion strip is easily cut in order to 3″ width to be inserted between the 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 dimension. Usually, a glass cutter includes a small rotary wheel or diamond set in the handle.
There are also glass cutting bits for drilling holes in glass. These special bits require the use of a lubricant while slicing. 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 oil into the ‘dish’ to lubricate the bit while it is cutting with the glass.
While you can usually buy glass cut in order to size, there are times when it is necessary to cut the glass yourself. When you watch an expert cut glass, it looks easy enough. Well, here’s how to reduce glass like an expert.