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PREMIUM FEATURES

Careful consideration has gone into every exquisite detail of a Grandura window. Homeowners will appreciate its components and features, which culminate in a design offering superior strength, style and insulation.

CERTIFICATION AND CLASSIFICATION

Grandura windows and doors undergo stringent testing procedures to ensure they meet the industry’s highest performance standards.

 

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Grandura windows and doors are tested to the advanced AAMA Gold Label Certification Program. The Gold Certification is AAMA's highest level of testing with windows and doors being tested for thermal performance as well as air, water and structural integrity.

 

QUALITY YOU CAN SEE

Discover the latest advancements in window engineering as you explore the impeccable craftsmanship of Grandura windows. From sill to sash, each component represents a high level of quality and product excellence.

DuraWeld
Fusion-Welded
Beveled Frame
and Sculpted Sash

Each corner, frame and sash is fusion-welded for unrivaled durability and a weathertight seal. Plus, the sculpted sash is a stylish design feature that enhances the frame’s beauty.

InVent
Deluxe Vent Latches

Sturdy and secure, these deluxe vent latches help guard against intruders while providing optimum ventilation.

IntegrityLok
High Security
Locking Mechanism

This cam lock and keeper is made from highly durable zinc. Elegantly designed, it provides optimum security and assures a tight, weatherproof seal.

Cachet
Flush Mount Tilt
Latches

These tilt latch assemblies are recessed into the frame to maintain the window’s clean interior lines.

TrueLine
Pivot Alignment
System

This exclusive hinge design attaches the sash to the balance on the frame, creating perfect alignment while allowing the sash to tilt in for cleaning.

EasyGlide
Lift Handles

These sleek streamlined handles have superior durability and assures easy operation for the life of the window.

EnerCor
Multi-Chambered
Frame and Sash

The multiple chambers act as a highly effective thermal barrier and greatly increase the window’s durability and strength.

TriSlope
Stepped Angled Sill
with Tank Drainage
System

This innovative sloped sill design helps prevent air and moisture penetration by drawing water away from the window.