The OSLO Team has always been on the cutting edge of product performance improvement We were first to introduce the North American market to: 1. 1982, The Tilt and Turn Window, Euro-French door, Lift Slide Door, and Exterior Folding Door Systems, soon publishing nationally in Sweets Catalogue. 2. 1994, Engineered a vertical hung monumental window to meet a new Federal specification performance level of grade 60. 3. 1998, Engineered a true Euro Out-Swing Casement Window that now achieves the highest performance levels for out-swing casements in the industry. 4. 2000, First and only company to use a structural wet glazing method that improves wind load resistance and has proven 100% wood to glass leak proof. 5. Early 2008, we started field testing our Green wood window products in several exposures on Cape Cod at the new residence pictured above. This is a new roasted wood product, achieving unheard of standards for decay resistance, dimensional stability, water resistance, and many resource and ecological advantages. click to see more
Roasting wood is a new, high temperature, vacuum kiln, technology used to modify the chemical structure of wood in order to achieve characteristics that, up to now, were present only in very few wood species, most of them tropical species: Teak, tropical cedar, and mahogany.
 
        Below is an example of OSLO-America’s EURO OUT-SWING casement window made with yellow birch, roasted to a stunning dark walnut color; (click below to see other sample colors). It can be made with double sashes that open with no center post, articulating stainless steel hinges allow for easy cleaning from inside. Sashes are fastened with lever operated, multipoint locking. With this model a roll-down screen is hidden in the head, and certified lab tests prove it to be the highest performance out-swing casement in the industry. OSLO’s French doors are engineered to the same design standards.
 
HIGH PERFORMANCE Certified lab tests at ASTN E 1996 - 08 test procedure for Hurricane Zone 3, Missile impact and cycling pressures applied based on wind speeds up to 140 MPH, (55 psf) . Wind cycle tested to differential pressures imposed by  ASTM procedure: 9,000 times (4,500 positive, 4,500 negative.)
Hillside Home Overlooking
     San Francisco Bay
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1.) 2.)
Features OSLO Crank-Out Casements, repeated French Door assemblies with vistas in mind.
3.)
            Long Island
Sea Side Jewel Emerging
OSLO impact rated doors and windows.
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4.)
1890’s Summer Retreat
     North of Boston
Total restoration of this antique, 1890’s Land Mark summer retreat on a rugged Atlantic outcrop. Includes all new high performance OSLO weight and chain windows and multi-point locking doors.  
 
Installation completed 11/12/09
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Charles Melin General Contractor
Austin Patterson Diston Architects / G.C. - George Vickers
Paradise Construction G.C. / Garazado Velleco Architects
Northeastern N.J.
 
26,000 Sq Ft. Featuring +/- 200 Euro-out-swing windows
and French doors.
Current condition, Interior painting under way.
5.)
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G.C. - Di Staulo Construction I, LLC
6.)
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Western Connecticut Lake-side Summer Retreat
Final Rough opening prep for OSLO lift-slide doors
OSLO multi-function monumental lift slide doors become a lens to this charming vista. With the ability to open nearly the entire side of this summer home.
The two center panels slide away from each other from the center rail
Stephen Lasar Architects;  GC, Bill Separy - Dezignbuild, LLC