Hello, I’m Fun Lee, the founder of APRO and the author of our website articles. With over 15 years of experience in the building materials industry, I’m passionate about sharing insights on aluminum doors, windows, and curtain walls, helping you achieve smarter, more sustainable projects.
Learn 14 front door feng shui tips to create a cleaner, brighter, and more balanced entrance, from layout and lighting to plants, mirrors, color, and door condition.
Explore 15 window trim ideas for interior and exterior spaces, including modern, Craftsman, Colonial, monochrome, and bold contrast styles for better design and curb appeal.
Discover leading door and window brands serving the U.S. market—including Andersen, Pella, Masonite, JELD-WEN, and more—plus their strengths, product focus, and market position.
Compare 9 popular sliding door types, including patio, pocket, lift-and-slide, barn, Shoji, and frameless styles, with their best uses and key benefits.
Discover 22 creative hidden door ideas for your home, from bookshelf and mirror doors to concealed pantry, vanity, and wall panel designs.
Standard double‑hung window widths range from 24″ to 48″ and heights from 36″ to 72″, fitting common rough openings, simplifying installation and replacement.
Learn about standard window sizes, types, measuring tips, and when to choose custom windows for your home. Make smart, cost-effective decisions!
Sliding window design ideas focus on space-saving layouts, large glass panels, and modern frames that improve ventilation, natural light, and views in homes.
Mullions and muntins are window dividers. Mullions separate entire window units, while muntins divide glass panes within a window for structure or decoration.
Discover 25 luxe villa design concepts—seamless indoor‑outdoor flow, pools, smart tech, wellness spaces, artful interiors, classic styles, luxury innovation.
Discover living room window ideas that enhance light, style, and comfort, including bay windows, picture windows, sliding designs, and modern window treatments.
Learn the parts of a window, including frame, sash, glass pane, sill, jamb, mullion, and hardware. Understand how each component supports function & efficiency.
Standard sliding glass doors are 80–96 in tall and 60–72 in wide for two-panel units, with larger multi-panel options up to 192 in wide. Custom sizes also exist
This guide explains aluminum profile QC, covering hardness testing, anodizing bath control, electrical parameters, and surface quality inspection.
Practical storefront design ideas—from lighting and signage to window displays and materials—so your shop looks inviting and converts passersby.
Determine a casement window’s opening direction (left/right, in/out) by checking hinge and handle location and using standard industry terms like FCL/FCR.
Compare casement and awning windows: learn how hinge type, ventilation, weather resistance, view, and ease of use shape the best choice for your space.
Learn the difference between prehung and slab doors — one includes a frame and is easy to install, while the other is the door slab and offers more flexibility.
Discover the most common types of door frames by material, design, and usage. Learn their pros, cons, and best applications for your project.
Discover top patio door manufacturers worldwide. Compare trusted brands like Apro, Marvin, VEKA & more to find the perfect fit for your home.
Discover how NUVO Event Center’s complex façade challenge was solved with advanced curtain wall design, delivering durability, elegance, and efficiency.
The One Nai Harn is a coastal hotel project in Phuket, using corrosion-resistant aluminum windows, doors, and glass balustrades for humid seaside conditions.
The cost per square foot for commercial building construction varies widely — typically $240–$870+ per sq ft in the U.S., depending on location, type, finishes, and complexity.
Explore key commercial construction materials — from concrete and steel to wood, masonry, glass and modern composites — and learn how to choose smart materials.
Learn about commercial exterior doors — key types, materials, performance, code compliance, installation, cost, and choose the right door for business entryway.
A window jamb is the vertical and top part of the window frame that supports the sash, houses hardware, improves insulation, and ensures operation of windows.
Soundproof windows cost $550–$2,000 installed per window. Inserts/secondary glazing cost less; replacements cost more. Depends on size, glass, labor.
A window sash is the movable frame holding glass in a window. It includes stiles, rails, muntins, glazing, and hardware—defining its function and style.
Explore top folding door manufacturers in the USA—from NanaWall, LaCantina, Andersen to Origin—covering materials, energy features, trends, and buying tips.
Discover the 13 best garage door manufacturers for quality, style, and performance. Compare brands to find the perfect fit for your home or business.
Fixed windows stay sealed for energy efficiency and views, while operable windows open for ventilation and airflow. The choice depends on light, air, and room needs.
Find awning window sizes from compact 18″×18″ to larger 48–72″ widths, plus height ranges and measurement tips to choose the right size for your home project.
Discover fresh window awning ideas—from classic canvas and sleek metal to retractable, geometric, and custom designs—to boost shade, curb appeal, and outdoor comfort.
Explore casement window design ideas from French styles to black frames, grouped layouts, and architectural patterns to enhance light, airflow, and curb appeal.
Window condensation happens when warm, moist air meets cold glass. Learn the causes, types, and simple ways to reduce moisture and prevent damage.
Learn the key differences between residential and commercial construction, including purpose, cost, materials, regulations, and choose the right project type.
Tempered-glass doors and windows typically cost $10–$35 per sq ft (glass only), plus installation — expect $175–$600 per window for full replacement.
Blend your home with nature: use glass walls, level flooring, zoned outdoor rooms, cozy furnishings, and weather-proof covers to create indoor-outdoor living.
Garage doors vary by how they open and fit your garage: sectional, roller, tilt-up, side-hinged, sliding, or stack-fold. Choose by space, budget, and home style
Picture windows are fixed, non-operable windows that frame views and flood rooms with light. Use bold frames, teamed windows, transoms, or seats to make them pop.
A 3-season room suits spring to fall use with minimal insulation, while a 4-season room is fully climate-controlled, insulated and built for year-round living.
The best sunroom windows combine large glass area, energy-efficient glazing, operable styles like casement or sliding, and materials suited for sun and airflow.
Typical casement window sizes start around 2 ft wide by 3.5 ft tall and go up to ~4 ft by 8 ft. Custom sizes are also available for openings and configurations.
Choosing bay window dimensions means balancing available wall space, depth, width, height, and support structure to achieve light, function, and aesthetics.
A dormer window is a roof-projecting structure with its own little roof that gives more headroom, light and ventilation to attic spaces for function appeal.
Learn everything about glass wall systems — types, benefits, installation tips, performance specs, and design ideas to upgrade your space with light and style.
Brickmould adds an exterior trim layer for style and weather seal; no-brickmould offers a sleek design and lower cost. Pick based on budget, siding and look.
Insert or full-frame window replacement? Learn the key differences, costs, pros, and when each type makes sense — so you pick the right option for your home.
Learn key steps to import quality doors and windows from China: supplier vetting, material specs, certifications, logistics, and cost controls to boost success.
“Fenestrated” refers to a building or element featuring windows or openings. It affects light, ventilation, facade design and overall building performance.
Discover 9 major modern architectural styles—from Minimalism to Parametricism—with clear features and how they influence today’s design.
Removing a door is a manageable DIY task. With the right tools, you can remove hinge pins, take off hardware, and lift the door safely within minutes.
Explore various interior door types—swing, sliding, bi-fold, barn, pocket, French—and discover how to choose the right style, material and function for space.
Transform window nooks into cozy, functional spaces with built-in benches, storage seats, floating benches, bay nooks, corner L-seats, bench + bookshelves.
A combination window merges fixed (picture) and operable units (casement, awning, sliding,) into one frame—offering both views and ventilation in one design.
Clean window screens to remove dust, pollen, and grime so they allow clearer views and better airflow. Use mild soap, soft brushing, gentle rinse, and full dry.
Window locks come in many styles—sash, keyed, sliding, wedge, pin, and smart locks—each suited to specific window types and security needs.
Discover how we delivered durable, marine-grade façades for the Playa Escondida Panama Resort with PVDF coatings, stable supply, and premium design solutions.
Discover how we overcame complex façade challenges at Ghana’s Minerals Commission Office with precise design, on-site expertise, and flawless execution.
Learn egress window codes, minimum sizes, wells, ladders, types, costs and installation tips so your basement or bedroom meets IRC and local rules.
Discover 10 sliding window types, from single and double to 4-lite, egress, and acoustic. Learn benefits, comparisons, and how to choose the right style.
Discover the true cost to paint an exterior door—from DIY savings to pro rates. Learn how prep work, paint types, door size, and labor affect your total.
Compare single, double, and triple-pane windows. Learn the pros, cons, energy savings, and which is best for your home and climate.
Compare awning and hopper windows in function, design, ventilation, energy efficiency, cleaning, and room fit to choose the best style for you.
Learn everything about bifold door sizes, including standard and custom dimensions, panel width, rough opening measurements, and installation tips.
Compare bay and bow windows by style, cost, space, and light. Learn which is best for your home and get expert tips for choosing the right one.
Compare roll-up and overhead doors—including materials, insulation, cost, space, durability, and security—to help you choose the right option.
Learn what a pivot door is, how it works, its pros and cons, design styles, materials, and installation tips in this complete and beginner-friendly guide.
Discover top wood species for exterior/interior doors—mahogany, oak, maple, cedar, and engineered options—their pros, durability, costs, and more.
Learn typical sliding door costs—from $400 installs to $6,500+ custom multi panel systems—plus materials, labor, extras and energy‑saving add‑ons.
Explore insulated vs non‑insulated garage doors—covering energy savings, noise reduction, durability, and cost—to help homeowners choose the right fit.
Learn how to clean aluminum window frames, remove oxidation, and prevent damage with easy steps, expert tips, and home-safe solutions.
Choosing between sliding and French doors? Compare cost, space, security, and design to find the best patio door for your home.
Compare curtain walls and storefronts in design, cost, performance, and durability. Learn which glazing system best suits your building needs.
Discover the differences between aluminum and vinyl sliding doors, including durability, cost, energy efficiency, and design options.
Discover perfect barn door sizes—standard, custom, and track needs—for smooth installation and stylish fit in any space.
Compare pocket doors and barn doors by space, style, cost, privacy, and installation to find the best door type for your home’s layout and design.
Explore the top types of doors, from wood and steel to fiberglass. Learn about styles like French, pocket, and barn doors for your home.
Explore the 7 types of window frames—wood, vinyl, aluminum, fiberglass, composite & more. Compare durability, cost & energy efficiency.
Compare fiberglass and aluminum windows on durability, energy efficiency, cost, and aesthetics to find the best fit for your home.
Know the signs it’s time to replace your sliding glass door: drafts, damage, poor function, or high bills. Learn key tips and replacement benefits.
Explore 8+ glass door styles—from sliding and pivot to bi-fold and fire-rated. Find your perfect design with insights on aesthetics, energy, and safety.
Discover all major door latch types, how they work, where to use them, and how to choose the right latch for your home, gate, or commercial doors.
A pocket door is a sliding door that recedes into a compartment in the wall, saving space and providing a sleek, modern look, commonly used in tight or stylish interiors.
Learn how to choose the best garage door with expert tips on materials, insulation, styles, safety, and installation for every home and budget.
Explore the differences between pre-finished, primed, and unfinished doors to choose the best fit for your home’s style, budget, and DIY preferences.
Sliding patio doors typically have a lifespan ranging from 20 to 30 years, depending on several factors such as material quality, maintenance, and environmental conditions.
A new front door typically costs $500–$4,500, depending on material, size, design, and installation. Custom or high-end styles may cost more.
Compare roller and sectional garage doors for cost, space, insulation, security, and style to find the best fit for your home or business.
Compare framed vs frameless shower doors in style, cost, durability, and function. Find the right shower enclosure for your bathroom.
Aluminum doors typically last 30 to 50 years or more with proper care. They’re durable, rust-resistant, and require minimal maintenance.
Compare aluminium and wooden doors on durability, insulation, cost, and design. Find out which is best for your home or building project.
Explore the best front door colors for your home. Discover ideas, design tips, and color meanings to enhance style, mood, and value.
Step-by-step guide to measure doors, frames, and rough openings for replacements—covers single, double, and sidelight setups.
Learn the key differences between a door jamb and door frame. Understand their roles, materials, and when to repair or replace them.
Compare sliding vs double-hung windows for your home. Learn about their pros, cons, energy efficiency, maintenance, and ideal installation locations.
Explore our complete guide to casement windows—types, parts, materials, energy efficiency, maintenance, and how to choose the right style.
Compare sliding and swing doors for space, style, cost, insulation, and more. Find the right door type for your home or business needs.
Compare casement vs double-hung windows in operation, efficiency, cost, and design. Learn which window style best fits your home and budget.
Discover top front door ideas to elevate your home’s entryway with bold colors, unique styles, and creative decorative touches.
Discover the top fiberglass door manufacturers offering durable, stylish, and energy-efficient options for homes. Compare leading brands and find perfect fit.
Discover how APRO’s A80T casement, fixed, and awning windows elevate Banana Island’s luxury homes, focusing on aesthetics, durability, and energy efficiency.
Discover how our A80T casement, hinged, fixed, and tilt-turn windows enhance Hurtle&Co.’s architectural design, energy efficiency, and resident comfort.
