Window sills and door thresholds are small, and they get little thought when a home is planned. Yet they take more punishment than almost any other surface. Sills catch rain through open windows, condensation off the glass and water from plant pots. Thresholds take every footstep between two rooms, along with grit, mopping water and the odd dropped bag.

That is why the material matters. Marble and wood have long been the usual choices in Indian homes, and both start to show their age within a few years. Granite and quartz window sills keep looking the way they did on the day they were fitted, and Pacific makes both.

Why marble and wood wear out

Marble is soft and porous. Water from a plant pot leaves a ring, rust from a metal pot leaves a stain, and acidic cleaners etch dull patches into a polished surface. White marble sills often turn yellow at the edges over time, where water and dirt have soaked in.

Wood has a different problem. It swells and shrinks with the monsoon, the varnish wears through where the sun hits it, and once water gets into the grain it can warp or rot. In many parts of India, termites are a risk too. Keeping a wooden sill looking good means sanding and refinishing every few years.

Why granite and quartz last longer

Granite sills

Granite is natural stone, formed deep in the earth and far harder than marble. It takes keys, pots and window latches without marking, and it handles strong sun and heat better than any engineered surface, which makes it the natural choice for sills that face the afternoon sun or sit outside the glass. Polished granite resists most stains, and a sealer applied when it is fitted, and refreshed every so often, keeps water and oil from soaking in. Dark granites like the black sills shown here hide dust and give a window a strong frame.

Quartz sills

Quartz is made mostly of natural quartz stone, pressed under vacuum until the surface has no pores. Water stays on top, so plant pots and condensation leave no rings, and the slab never swells or warps. Pacific quartz does not stain, it resists scratches, and it never needs sealing, varnishing or repainting. Because quartz is made to a set design, every sill and threshold in the house can match exactly, and they will match the kitchen platform too if you use the same quartz slab there.

Which to choose

Choose granite for sills in strong sun, exterior sills and spots near heat, or if you want the one-of-a-kind look of natural stone. Choose quartz for indoor sills where you want a light, even colour, no upkeep and a match with your quartz countertops or vanities. Many homes use both: granite on the sunniest windows and the balcony door, quartz everywhere else.

Quartz thresholds

A threshold is the strip of stone under a doorway where one floor meets another. It gets walked on more than any other part of the house, often by people still wearing outdoor shoes. A quartz threshold resists the scratches that grit and sand cause, and because it doesn't absorb water, it copes well at the door to a bathroom, a balcony or a utility area where floors are mopped every day.

A threshold in the same colour as the floor makes two rooms flow together. One in the same colour as your window sills or kitchen counter ties the whole home together.

A note on sunlight

Sills sit next to windows, so sunlight matters when you choose the material. Window glass filters part of the sun's UV light, and an indoor sill gets far less exposure than an outdoor counter, so a quartz sill inside the home is a sound choice. For an exterior sill, a terrace step or a window that takes several hours of direct sun a day, granite is the better pick, since natural stone isn't affected by UV light. Our granite collection has over 100 designs for those spots.

Choosing a colour

Light sills

A white quartz sill bounces daylight back into the room, which helps in smaller rooms and north-facing windows. In a kitchen, a sill cut from the same slab as the kitchen platform keeps the room calm and joined up.

Warm neutrals

Beige and cream quartz with a fine speckle suits living rooms and bedrooms with wooden floors and soft furnishings. The speckle also hides water spots and dust between cleans. Pairing the sill with a side table or console top in the same quartz is a simple way to repeat the colour around the room.

Dark granite sills

A dark or black granite sill frames the view and gives the window real weight, especially against green, olive or warm-toned walls. It hides dust well, takes sun without fading and suits a reading corner or study. On a high polish, water marks show a little more, so wipe the sill dry after cleaning.

Edges and fitting

The front edge of a sill is the part you see and touch most. A rounded bullnose or a soft eased edge is gentle on hands and on curtains, and it chips less than a sharp square corner. On a threshold, a slight bevel on the exposed edges helps prevent trips and chips. Our guide to quartz countertop edge profiles explains each option.

Sills and thresholds are narrow pieces, so they can often be cut from what is left over after the counter or wall cladding. Ask your fabricator whether they can come from the same quartz slab as your counter, which gives you the closest possible colour match.

Caring for quartz sills

For quartz sills, the best quartz countertop maintenance tips work just as well. For granite sills, the routine is the same, plus a fresh coat of sealer every year or two, depending on the stone. Wipe with a damp microfiber cloth and a few drops of neutral soap, then dry. Lift plant pots now and then to wipe underneath, and avoid bleach and steel wool. Quartz needs no sealing, oiling or polishing. Our care guide covers stubborn marks.

Granite and quartz sills from Pacific

Pacific makes a dedicated window sill and threshold collection, and our granite collection offers over 100 natural designs for sills, steps and thresholds. As a quartz company and one of the quartz slab manufacturers in India that also supplies natural granite, we can match your sills and thresholds to your kitchen counters, vanities and floors in either material.

For more ideas on using quartz around the home, read the best ways to use quartz in modern home interiors. To see sills in person, find a dealer near you or request samples.