Slope and support
Asphalt shingles require at least 2:12 slope and product-specific underlayment details at lower permitted slopes. Sound decking and attachment are part of the assembly.

Compare shingle style, construction and tested impact behavior without treating those labels as the same promise.
An architectural shingle can be an impact-rated product, but those words do not mean the same thing. Construction describes the shingle’s layers and profile. Impact evidence describes how a named product performs in a specified test.
Compare appearance, the product’s current evidence and the full assembly together. The deck, slope, attachment, underlayment and flashing still determine how the new roof is installed.

A clear comparison asks what each label actually establishes.
IBHS tests retail shingles with realistic hail impacts and compares damage such as dents, tears and granule loss. Its ratings are tied to products and rating years. A test helps compare behavior; it does not reproduce every possible storm or establish that a roof cannot be damaged.
A Class 4 label and an IBHS comparative rating also describe different evidence. Keep the standard and named product clear instead of treating every impact label as interchangeable. Installation, exposure and roof condition still matter.
The IBHS shingle ratings provide the current primary comparison. Oklahoma insurers decide whether a specific product qualifies for a discount; no universal discount follows from the label.

A product choice needs a compatible installation around it.
Asphalt shingles require at least 2:12 slope and product-specific underlayment details at lower permitted slopes. Sound decking and attachment are part of the assembly.
Starter, caps, valleys, pipe boots and roof-to-wall flashing connect the field to its boundaries. A premium shingle does not fix an open joint.
Color and profile are owner choices within applicable requirements. Repair compatibility, weathering and the product’s care and warranty terms remain part of the decision.
No. Architectural describes laminated construction. An impact classification belongs to an actual product and test result.
Some insurers offer discounts or stronger-roof endorsements, according to Oklahoma Insurance Department guidance. Product eligibility and the actual policy determine what is available.
No. Warranty terms define particular coverage and conditions. Weather, installation, care and the assembly influence actual service. The manufacturer and contractor provide applicable terms.

Tell us the property location and what has changed. Request a free roof inspection, or call to talk about the roof.