Wood Windows & Doors

Much of the difference between a well-designed and engineered window or door and a commonly manufactured one is not immediately visible to the eye, yet has a significant impact on the performance, longevity, maintenance and function of the unit. Dynamic window designs are typically tested by independent test labs to ensure proven performance for air infiltration, water penetration and structural wind load. Dynamic offers optional 3rd party Structural Engineering services upon request.

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To see our engineering and millwork features incorporated into the design of Dynamic windows and doors please refer to our Architectural Resources section.

The following are some of the engineering and millwork features found in a Dynamic window or door:

Cope & Dowel sash joinery: While the traditional mortise and tenon join is comparable in strength, the cope and dowel join eliminates the need for nailing through the face of the sash, allowing for a true stain grade finish without putty filled holes.

Rain screen engineering: The contours milled into the edge of a Dynamic window sash serve a dual purpose. First, the grooves increase the surface area of the sash edge. The greater the surface area, the greater the strength of the component. Second, the contours are milled to create a back draft so that the wind drives rain and moisture back to the exterior, eliminating the need for secondary weather-strips.

Frame construction: Dynamic’s frame construction consists of coped corners fastened with hardwood dowels, non-ferrous screws, and caulking. While this may seem excessive compared to conventional assembly techniques, our system results in reduced racking, twist and spreading.

Stress relieved jambs: The backs of a Dynamic jamb are milled with a series of grooves. This increases the surface area of the component, which in turn increases its strength, helping resist warp and twisting.

Interior Beading: Dynamic mills the exterior profile into the sash, allowing the glass to be installed from the interior. Locating the glazing bead on the interior protects the miter joins, end grain and nail holes from the weather, preventing “peeling” of the bead and protecting the sealed unit from moisture. It is also far easier to replace second or third floor glazing from the room side than the outside on a ladder.

True divided lites: Dynamic believes that true divided lites (TDL) offer significant benefits over simulated lites, glued on grills, and other imitations. Architectural lines of sight, with the exact alignment of the glazing bead and the interior spacer bar

Muntin bar assembly: The muntin bars are the wood components that hold the glazing and form the “grid” you see in true divided lite sash. Dynamic employs a Half Lap joint where these bars intersect, allowing a solid bar to run the entire width of the glazed opening, rather than the conventional use of multiple separate pieces pin nailed together at the intersections. The use of solid single pieces inter-locked with Half Lap joins creates a rigid framework to support the glazing. The ends of the bars are double dowelled into the sash, preventing twist, which in turn protects the sealed unit from exposure to moisture.

Engineered Cores: All Dynamic stile and rail doors are manufactured using engineered cores. “Engineered or Stave” cores as they are also known, make the doors more resistant to warp, twist, and movement. It’s the composition and design of the engineered cores that enable Dynamic to warranty doors beyond the industry standard sizes.

Factory Cut Veneers: Dynamic’s engineered cores are sheathed in factory cut veneers and solid edges. Our standard veneers are 1/8” thick, with thicker veneers available on request.

Dynamic is a specialist, focused exclusively on the manufacture of custom wood windows and doors. Unlike traditional custom millwork shops, we are not offering flooring, furniture, moldings, mantles and paneling. What we do offer is highly engineered, well-designed fenestration for the most demanding environments and clients in North America.


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