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Glossary of Terms
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M

Machine Stress-Rated (MSR lumber)
Lumber that has been evaluated by mechanical stress rating equipment; each piece is nondestructively tested and marked to indicate the modulus of elasticity. MSR lumber is also required to meet certain visual requirements.

Magnum
A Marvin trade name for heavily constructed commercial window products which are designed for applications where a heavy duty product is necessary.

Magnum Double Hung
A heavy duty double hung product made with larger than standard parts. The larger sash parts will accommodate larger glass sizes.

Magnum Hopper
A heavy duty commercial window designed to tilt into the room tor ventilation purposes.

Magnum Tilt-Turn
A heavy duty commercial window. The Magnum Tilt-Turn has hardware which allows the sash to either be tilted into the room tor ventilation or swing into the room tor egress or cleaning.

Masonry Opening
A brick, stone or block opening into which a window or door unit is installed including the outside casing.

Matched
Lumber that has been worked with a tongue on one edge of each piece and a groove on the opposite edge to provide a close tongue-and-groove joint by fitting two pieces together; when end-matched, the tongue and groove are worked in the ends also.

Modulus of Elasticity (MOE)
The relationship between the amount a piece deflects and the load causing the deflection determines its stiffness. Factors affecting the MOE are grade, size, span and species.

Modulus of Rupture (MOR)
A measurement of the load required to break a particular size and length of lumber.

Moisture Content (MC)
The moisture content of wood is the weight of the water in wood expressed as a percentage of the weight of the wood from which all water has been removed (oven dry). Moisture is removed from lumber either by air drying or by use of special drying kilns.

Mortise And Tenoning
The system by which Marvin assembles authentic divided life units, a projecting tenon on either the muntins or bars fit snugly into a mortise in either a bar. stile or rail.

Mulling
The act of attaching two or more window or door units together. The joint is then finished with a mullion center cap or mull trim.

Mullion
The resulting vertical or horizontal member of a window or door assembly created by joining two or more units together.
  • Space Mull- Two or more units mulled together with aspace left between the units. The jamb extension surrounds the entire unit. Often used to make standard size units fill a special size opening.
  • Stud Pocket-Two or more units mulled together with a space between the units. The jamb extension surrounds each unit separately, providing space tor a support member between the units.
Mullion Cover
An extruded aluminum cover for space mull usage on the Clad Magnum Double Hung Replacement System with Panning. It covers a range from 3" minimum to 10" maximum.

Mullion Expander
An aluminum extrusion designed specifically for the Clad Magnum Double Hung Replacement System with Panning to allow the existing panning to be expanded to a wider width to accommodate a larger rough opening.

Mullion Reinforcement
The 3/8" mullion reinforcement is designed to be used on wood or clad multiple Casemaster, Awning and direct glaze assemblies to improve structural performance in regard to wind toad.

Multi-Point Locking System
A line of standard or optional multiple point locking mechanisms installed on the operative panel(s)/sash of various Marvin products to enhance security and performance.

Muntin Or "Munt"
A short "bar," horizontal or vertical, extending from a bar to a stile or rail or another bar.
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SPECIAL
EVENT

** NEW EVENT

 

3250 N. KEDZIE LOCATION

 

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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