Business Details
19 Years
experience
Professional Siding & Exterior Solutions in Framingham, MA
Since 2007, KAJ Construction has been the trusted name in exterior construction services for residential and commercial clients in Framingham, Greater Boston, and New Hampshire. As a family-owned and locally operated business, we prioritize quality craftsmanship and exceptional customer service. Our team is fully licensed, insured, and led by owner Alecandro Carvalho, who personally oversees every job site. With over 17 years of experience in the industry, we specialize in siding, windows, decks, and doors, using premium materials like James Hardie products to ensure long-lasting durability. Our commitment to safety is reflected in our lead-safe certification and status as a James Hardie Preferred Contractor.We offer free, no-obligation estimates with next-business-day service and guarantee project completion within two weeks of contract signing. Our multilingual team communicates fluently in English, Portuguese, and Spanish to serve diverse clients effectively. Recognized as a Best of Houzz winner for multiple years, we combine technical expertise with personalized service to transform properties across New England. Our comprehensive warranties, including 1-year workmanship and up to 30-year product guarantees, underscore our confidence in every project's quality.
Services
Siding Installation
Window Replacement
Deck Construction
Door Installation
Gutter Services
Trim Repair
Fascia Replacement
Crown Molding
Soffit Installation
Painting Services
Details
- Year established: 2007
Highlights and features
- Over 17 years of specialized exterior renovation experience
- Owner personally oversees every job site for quality control
- Multilingual team fluently speaks English, Portuguese, and Spanish
- Free next-business-day estimates with 2-week start guarantee
- Combination of James Hardie certification and 30-year product warranties
Associations and certifications
- James Hardie Preferred Contractor
- Lead-Safe Certified
What people say
Owner personally oversees
Quality materials
Timely completion
Excellent service
Knowledgeable team
Services
Siding Installation
Our siding services enhance home durability and aesthetics using premium James Hardie materials. We offer complete tear-off installation with fascia, trim, and crown molding options for both residential and commercial properties. Every project includes detailed workmanship and 30-year manufacturer warranties to ensure lasting protection against New England weather conditions.
Window Replacement
Professional window installation and replacement services focusing on energy efficiency and security. We provide custom solutions with paint touch-ups and frame restoration, serving Framingham and surrounding areas. Our work includes 15-year manufacturer painting warranties and free estimates for residential and commercial clients seeking improved thermal performance.
Deck Construction
Custom deck design and construction tailored to client lifestyles. Options include wood, Trex composite, raised, pool, and wraparound decks. We specialize in durable, low-maintenance solutions with eco-friendly materials and safety-focused designs for New England's climate conditions and terrain variations.
Door Installation
Enhance home security and curb appeal with our door installation services. We handle entry doors, French doors, and custom solutions with frame painting and exterior trim work. Every installation comes with workmanship warranties and energy efficiency improvements for both residential and commercial properties.
Gutter Services
Comprehensive gutter solutions including installation, repair, and replacement services. We offer free gutter upgrades with siding projects, ensuring proper water drainage and foundation protection. Our systems feature durable materials designed to withstand heavy New England rainfall and seasonal changes.
People
Alecandro Carvalho
Founder
With over 18 years in construction, Alecandro Carvalho founded KAJ Construction in 2007. A trusted leader in Boston's community, he ensures every project maintains strict timelines and budget controls while transforming properties with creative design solutions.
Questions
What exterior services does KAJ Construction offer?
We specialize in siding, windows, decks, doors, gutters, trim, and painting services for residential and commercial properties.
Do you provide free estimates?
Yes, we offer free, no-obligation estimates with next-business-day availability for all projects.
Are you licensed and insured?
Yes, we're fully licensed, insured, and lead-safe certified with James Hardie Preferred Contractor status.
What warranty options exist?
We provide 1-year workmanship warranties, 15-year paint warranties, and up to 30-year product manufacturer warranties.
Do you serve commercial clients?
Yes, we handle projects of all sizes including commercial exterior renovations and maintenance.
What payment methods do you accept?
We accept major credit cards, financing options, and electronic payments through Zelle and PayPal.
