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Glossary

Glossary of Terms
a b c d e f g h i j k l m n o p q r s t u v w x y z


R

R Value
A measure of a material's resistance to heat flow. Higher numbers indicate greater insulating capabilities.

Rabbet
A groove along or near the edge of a piece of wood.

Radius
The length of an imaginary line from the center point of a circle to the arc or circumference of a circle.

Rails
The horizontal members of the framework of a sash or panel assembly

Random (RDM)
May refer to an assortment of either lengths or widths normally produced by a lumber manufacturer.

Random Length (R/L, RL)
Lumber containing an assortment of lengths. A random length shipment should contain a fair assortment of the lengths being produced by the manufacturer.

Random Width (R/W, RW)
An assortment of widths normally accumulated when manufacturing certain grades and sizes of lumber.

Random Width and Random Length (RW/L)
Indicating an assortment of lengths and widths normally accumulated in the manufacturing process.

Relief Kerf
Kerfs machined into the frame parts of a window or door unit to inhibit warping.

Resawn (R/S)
To reduce the thickness of boards, dimension, planks or other material by cutting into two or more thinner pieces on a resaw; or a circular or band mill where this is done.

Retro
Retro sizing refers to units which are sized for replacement purposes.

Rip
To reduce the wide of boards, dimension or other material by ripping into two or more narrower pieces.

Rolled Aluminum
A term used to describe aluminum profiles which are fabricated by the use of a roller or series of rollers to produce a desired profile.

Rose
A circular cover plate attached to the stile directly behind a knob or door handle. May be plain or have a decorative design embossed into the cover.

Roto-Gear
A term used to describe the steel drive worm, gears and crank device used for opening Awnings and Casemasters

Rough (RGH)
Uneven texture, not smooth as passed through a saw.

Rough Lumber
Lumber as it comes from the saw, which has not been further surfaced or machined: lumber which is not dressed.

Rough Opening
The opening in the wall where a window or door unit is to be installed. Openings are larger than the size of the unit to allow room for insulation and to shim the unit square.

Round Top
Generally a semicircle window which is mulled to the top of another window or door, thus forming the Round Top appearance. There are full Round Tops, separated Round Tops. ellipticals, transoms, inverted corners, ovals and Gothic heads. etc. Round Tops can be used separately or combined with other units.
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773-509-6700

 

 

633 W. PERSHING LOCATION

 

773-927-8282 

 

 

News***

 

Our Smartrooms location on CLTV

 

Click here

 

 

 

We can now offer FSC certified wood products!

 

 

 

 

 

We also host monthly EPA RRP Lead Certification Classes (Training provided by OTS, Inc.)

 

 

Date:  Sept. 14, 2010

 

Time: 8a.m.-4:30p.m.

 

Price: $250 per person*

 

(*Includes breakfast and lunch)

 

Course must be paid in full before attending. Please make checks payable to Lee Lumber.

 

$250 cost of class but $300 of Lee Lumber certificates given to those attending the class

 

 To register for one of the above dates, you may download the application, and contact Danielle Rivera at


(773) 927 - 8282 or danielle@leelumber.com

  

 

2010 Lee Lumber 

 

Architect Lunch & Learn Series

 

Event Schedule

 

 

iLevel/Trus Joist

Residential Engineered Lumber

&

Evaluating Floor Preformance

This AIA course is approved for 2 LU's & 

2 H/S/W's


 Wednesday, Septeember 29th, 2010 

 

10:30 - 1:00 

 

For more information, or to reserve your spot

 

at an upcoming event, contact Steve at
(773) 509-6700 x 328 or shuff@leelumber.com


 

 


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