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Providing Roofing, Siding & Windows to Southern Maryland since 1982

La Plata MD Roofing and New Replacement Window Contractor


La Plata MD Roofing Windows

JJA Home Improvement is a La Plata MD licensed home improvement contractor of roofing and new replacement windows. Whether you are improving, remodeling, renovating or building a new home, you can count on J and J Aluminum to deliver high performance maintenance free windows and roofing for energy savings and a more comfortable home.

New Windows

Each window is custom-made from virgin vinyl resin for consistent color and strength.

Each window is custom made to fit specific window openings and decors.


La Plata MD Replacement Window Options:


  • Double Hung, 2 Lite & 3 Lite Sliders
  • AAMA Certified, NFRC Rated, and Energy Star Approved
  • Limited Lifetime Warranty
  • High Performance soft coat LoE2/Argon Glass
  • UV Blocking Glass
  • Dual Tilt In Sashes For Easy Cleaning Glass

La Plata MD Replacement & New Roofing Choices:


JJA Home Improvement installs the following CertainTeed new replacement roofing shingles:

  • Strip Roofing Shingles home roofing
  • Dimensional Roofing Shingles
  • Premium Roofing Shingles

CertainTeed Roofing Shingle Warranty Choices

Standard SureStart protection says that CertainTeed, at no charge, will repair or replace, at its option, any roofing shingles proven to be defective during the applicable SureStart period (see actual warranty for details).

SureStart PLUS, the strongest extended warranty coverage in the roofing industry, which extends the coverage AND duration of the standard SureStart protection when a credentialed contractor like JJA Home Improvement installs an Integrity Roof System.



Window Sale